{
"Religion": {
"level": 2,
"topic": "Philosophy and religion",
"section": "Philosophy and religion"
},
"Ramesses II": {
"level": 3,
"topic": "People",
"section": "Leaders and politicians"
},
"Rembrandt": {
"level": 3,
"topic": "People",
"section": "Artists"
},
"René Descartes": {
"level": 3,
"topic": "People",
"section": "Philosophers and social scientists"
},
"Rumi": {
"level": 3,
"topic": "People",
"section": "Writers"
},
"Rabindranath Tagore": {
"level": 3,
"topic": "People",
"section": "Writers"
},
"Renaissance": {
"level": 3,
"topic": "History",
"section": "Modern history"
},
"Reformation": {
"level": 3,
"topic": "History",
"section": "Modern history"
},
"Russia": {
"level": 3,
"topic": "Geography",
"section": "Countries"
},
"Rocky Mountains": {
"level": 3,
"topic": "Geography",
"section": "Terrestrial features"
},
"River": {
"level": 3,
"topic": "Physical sciences",
"section": "Hydrological features"
},
"Rome": {
"level": 3,
"topic": "Geography",
"section": "Human settlements"
},
"Realism (arts)": {
"level": 3,
"topic": "Arts",
"section": "Artistic movements"
},
"Romanticism": {
"level": 3,
"topic": "Arts",
"section": "Artistic movements"
},
"Rhythm": {
"level": 3,
"topic": "Arts",
"section": "Music"
},
"Rock music": {
"level": 3,
"topic": "Arts",
"section": "Music"
},
"Reason": {
"level": 3,
"topic": "Philosophy and religion",
"section": "Philosophical branches and concepts"
},
"Ritual": {
"level": 3,
"topic": "Philosophy and religion",
"section": "Religion"
},
"Rice": {
"level": 3,
"topic": "Biology and health sciences",
"section": "Food and drink"
},
"Running": {
"level": 3,
"topic": "Everyday life",
"section": "Recreation and entertainment"
},
"Retail": {
"level": 3,
"topic": "Society and social sciences",
"section": "Business and economics"
},
"Racism": {
"level": 3,
"topic": "Society and social sciences",
"section": "Social issues"
},
"Russian language": {
"level": 3,
"topic": "Society and social sciences",
"section": "Language"
},
"Research": {
"level": 3,
"topic": "Physical sciences",
"section": "Science: General"
},
"Radioactive decay": {
"level": 3,
"topic": "Physical sciences",
"section": "Physics"
},
"Rodent": {
"level": 3,
"topic": "Biology and health sciences",
"section": "Specific organisms"
},
"Reptile": {
"level": 3,
"topic": "Biology and health sciences",
"section": "Specific organisms"
},
"Reproduction": {
"level": 3,
"topic": "Biology and health sciences",
"section": "Physiology"
},
"RNA": {
"level": 3,
"topic": "Biology and health sciences",
"section": "Chemistry"
},
"Redox": {
"level": 3,
"topic": "Physical sciences",
"section": "Chemistry"
},
"Rain": {
"level": 3,
"topic": "Physical sciences",
"section": "Earth science"
},
"Rock (geology)": {
"level": 3,
"topic": "Physical sciences",
"section": "Earth science"
},
"Renewable energy": {
"level": 3,
"topic": "Technology",
"section": "Energy"
},
"Refrigeration": {
"level": 3,
"topic": "Technology",
"section": "Food and health"
},
"Robotics": {
"level": 3,
"topic": "Technology",
"section": "Tools and machinery"
},
"Radio": {
"level": 3,
"topic": "Technology",
"section": "Media and communication"
},
"Rocket": {
"level": 3,
"topic": "Technology",
"section": "Space"
},
"Road": {
"level": 3,
"topic": "Technology",
"section": "Transportation"
},
"Radar": {
"level": 3,
"topic": "Technology",
"section": "Navigation and timekeeping"
},
"Real number": {
"level": 3,
"topic": "Mathematics",
"section": "Counting and numbers"
},
"Renaissance architecture": {
"level": 4,
"topic": "Arts",
"section": "Styles"
},
"Romanesque architecture": {
"level": 4,
"topic": "Arts",
"section": "Styles"
},
"Romance novel": {
"level": 4,
"topic": "Arts",
"section": "Basics"
},
"Rhyme": {
"level": 4,
"topic": "Arts",
"section": "Basics"
},
"Russian literature": {
"level": 4,
"topic": "Arts",
"section": "Literatures by language and area"
},
"Romance of the Three Kingdoms": {
"level": 4,
"topic": "Arts",
"section": "Fiction of antiquity"
},
"Robinson Crusoe": {
"level": 4,
"topic": "Arts",
"section": "Fiction of early printed book era"
},
"Romeo and Juliet": {
"level": 4,
"topic": "Arts",
"section": "Fiction of early printed book era"
},
"Republic (Plato)": {
"level": 4,
"topic": "Arts",
"section": "Nonfiction of antiquity"
},
"Rubaiyat of Omar Khayyam": {
"level": 4,
"topic": "Arts",
"section": "Poetic works of early printed book era"
},
"Recorder (musical instrument)": {
"level": 4,
"topic": "Arts",
"section": "Musical instruments"
},
"Renaissance music": {
"level": 4,
"topic": "Arts",
"section": "Western classical music"
},
"Romantic music": {
"level": 4,
"topic": "Arts",
"section": "Western classical music"
},
"Rapping": {
"level": 4,
"topic": "Arts",
"section": "Popular music"
},
"Ragtime": {
"level": 4,
"topic": "Arts",
"section": "Popular music"
},
"Reggae": {
"level": 4,
"topic": "Arts",
"section": "Popular music"
},
"Rhythm and blues": {
"level": 4,
"topic": "Arts",
"section": "Popular music"
},
"Rock and roll": {
"level": 4,
"topic": "Arts",
"section": "Popular music"
},
"Rhapsody in Blue": {
"level": 4,
"topic": "Arts",
"section": "Modern"
},
"Rock art": {
"level": 4,
"topic": "Arts",
"section": "Pre-modern art"
},
"Renaissance art": {
"level": 4,
"topic": "Arts",
"section": "Pre-modern art"
},
"Rococo": {
"level": 4,
"topic": "Arts",
"section": "Pre-modern art"
},
"Roman art": {
"level": 4,
"topic": "Arts",
"section": "Pre-modern art"
},
"Romanesque art": {
"level": 4,
"topic": "Arts",
"section": "Pre-modern art"
},
"Religious art": {
"level": 4,
"topic": "Arts",
"section": "Concepts and forms"
},
"Reality television": {
"level": 4,
"topic": "Arts",
"section": "Television genres"
},
"Robin Hood": {
"level": 4,
"topic": "Arts",
"section": "Western folklore"
},
"Red blood cell": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Circulatory system"
},
"Reproductive system": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Reproductive system"
},
"Respiratory system": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Respiratory system"
},
"Root": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Plant: General"
},
"Respiration (physiology)": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Basics_3"
},
"Ribosome": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Organelles and other cell parts"
},
"Remora": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Acanthomorpha"
},
"Rattlesnake": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Reptiles"
},
"Red-eared slider": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Reptiles"
},
"Rock dove": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Columbiformes"
},
"River kingfisher": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Coraciiformes"
},
"Rail (bird)": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Gruiformes"
},
"Red-winged blackbird": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Passerida"
},
"Rhea (bird)": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Ratites"
},
"Resplendent quetzal": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Trogoniformes"
},
"Ruminant": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Artiodactyla"
},
"Red deer": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Artiodactyla"
},
"Reindeer": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Artiodactyla"
},
"Rabbit": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Lagomorphs"
},
"Rhinoceros": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Perissodactyla"
},
"Rhesus macaque": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Primates"
},
"Rat": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Rodents"
},
"Rye": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Poales"
},
"Radish": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Brassicales"
},
"Rapeseed": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Brassicales"
},
"Rutabaga": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Brassicales"
},
"Rhododendron": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Ericales"
},
"Rosaceae": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Rosales"
},
"Raspberry": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Rosales"
},
"Rose": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Rosales"
},
"Rubiaceae": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Others"
},
"Rhizaria": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Other organisms"
},
"Red algae": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Other organisms"
},
"Recreational drug use": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Drugs and pharmacology"
},
"Root canal": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Dentistry"
},
"Radiology": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Fields of medicine"
},
"Reflex": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Medical procedures"
},
"Radiation therapy": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Medical procedures"
},
"Respiratory failure": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Injury"
},
"Rabies": {
"level": 4,
"topic": "Biology and health sciences",
"section": "Infectious disease"
},
"Restaurant": {
"level": 4,
"topic": "Everyday life",
"section": "Preparation and serving"
},
"Rum": {
"level": 4,
"topic": "Everyday life",
"section": "Alcoholic drinks"
},
"Romance": {
"level": 4,
"topic": "Everyday life",
"section": "Marriage and parenting"
},
"Riddle": {
"level": 4,
"topic": "Everyday life",
"section": "Entertainment and leisure"
},
"Rubik's Cube": {
"level": 4,
"topic": "Everyday life",
"section": "Entertainment and leisure"
},
"Recreation": {
"level": 4,
"topic": "Everyday life",
"section": "Recreation and tourism"
},
"Roulette": {
"level": 4,
"topic": "Everyday life",
"section": "Games"
},
"Role-playing game": {
"level": 4,
"topic": "Everyday life",
"section": "Games"
},
"Rugby football": {
"level": 4,
"topic": "Everyday life",
"section": "Team sports"
},
"Rugby league": {
"level": 4,
"topic": "Everyday life",
"section": "Team sports"
},
"Rugby sevens": {
"level": 4,
"topic": "Everyday life",
"section": "Team sports"
},
"Rugby union": {
"level": 4,
"topic": "Everyday life",
"section": "Team sports"
},
"Rugby World Cup": {
"level": 4,
"topic": "Everyday life",
"section": "Team sports"
},
"Roller skating": {
"level": 4,
"topic": "Everyday life",
"section": "Skating"
},
"Rowing (sport)": {
"level": 4,
"topic": "Everyday life",
"section": "Water sports"
},
"Rock climbing": {
"level": 4,
"topic": "Everyday life",
"section": "Other individual sports"
},
"Rodeo": {
"level": 4,
"topic": "Everyday life",
"section": "Other individual sports"
},
"Region": {
"level": 4,
"topic": "Geography",
"section": "Basics: General"
},
"Remote sensing": {
"level": 4,
"topic": "Geography",
"section": "Cartography"
},
"Red Sea": {
"level": 4,
"topic": "Geography",
"section": "Oceans and seas"
},
"Ross Sea": {
"level": 4,
"topic": "Geography",
"section": "Oceans and seas"
},
"Rio Grande": {
"level": 4,
"topic": "Geography",
"section": "North America_2"
},
"Rio Negro (Amazon)": {
"level": 4,
"topic": "Geography",
"section": "South America_2"
},
"Río de la Plata": {
"level": 4,
"topic": "Geography",
"section": "South America_2"
},
"Rhine": {
"level": 4,
"topic": "Geography",
"section": "Europe_2"
},
"Réunion": {
"level": 4,
"topic": "Geography",
"section": "Africa_3"
},
"Ryukyu Islands": {
"level": 4,
"topic": "Geography",
"section": "Asia_3"
},
"Ring of Fire": {
"level": 4,
"topic": "Geography",
"section": "Land relief: General"
},
"Royal National Park": {
"level": 4,
"topic": "Geography",
"section": "Oceania_6"
},
"Republic of the Congo": {
"level": 4,
"topic": "Geography",
"section": "Central Africa"
},
"Rwanda": {
"level": 4,
"topic": "Geography",
"section": "East Africa"
},
"Republic of Ireland": {
"level": 4,
"topic": "Geography",
"section": "Northern Europe"
},
"Romania": {
"level": 4,
"topic": "Geography",
"section": "Eastern Europe"
},
"Rajasthan": {
"level": 4,
"topic": "Geography",
"section": "India"
},
"Rural area": {
"level": 4,
"topic": "Geography",
"section": "Urban studies and planning"
},
"Rabat": {
"level": 4,
"topic": "Geography",
"section": "Morocco"
},
"Ranchi": {
"level": 4,
"topic": "Geography",
"section": "East India"
},
"Raipur": {
"level": 4,
"topic": "Geography",
"section": "Central India"
},
"Rawalpindi": {
"level": 4,
"topic": "Geography",
"section": "Pakistan_2"
},
"Riyadh": {
"level": 4,
"topic": "Geography",
"section": "Saudi Arabia"
},
"Riga": {
"level": 4,
"topic": "Geography",
"section": "Latvia"
},
"Rostov-on-Don": {
"level": 4,
"topic": "Geography",
"section": "Russia_2"
},
"Rotterdam": {
"level": 4,
"topic": "Geography",
"section": "Netherlands"
},
"Recife": {
"level": 4,
"topic": "Geography",
"section": "Brazil_2"
},
"Rio de Janeiro": {
"level": 4,
"topic": "Geography",
"section": "Brazil_2"
},
"Rosario": {
"level": 4,
"topic": "Geography",
"section": "Argentina"
},
"Roman–Persian wars": {
"level": 4,
"topic": "History",
"section": "Central Asia, Iran, Caucasus"
},
"Roman Kingdom": {
"level": 4,
"topic": "History",
"section": "Europe_2"
},
"Roman Republic": {
"level": 4,
"topic": "History",
"section": "Europe_2"
},
"Roman Empire": {
"level": 4,
"topic": "History",
"section": "Europe_2"
},
"Rurikids": {
"level": 4,
"topic": "History",
"section": "Eastern Europe and Central"
},
"Reconquista": {
"level": 4,
"topic": "History",
"section": "Spain"
},
"Republic of Genoa": {
"level": 4,
"topic": "History",
"section": "Italy"
},
"Republic of Venice": {
"level": 4,
"topic": "History",
"section": "Italy"
},
"Reform and opening up": {
"level": 4,
"topic": "History",
"section": "East Asia_4"
},
"Russo-Japanese War": {
"level": 4,
"topic": "History",
"section": "East Asia_4"
},
"Revolutions of 1848": {
"level": 4,
"topic": "History",
"section": "Basics_4"
},
"Russian Revolution of 1905": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Revolutions of 1989": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Russian Civil War": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Russian Empire": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Russian Revolution": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Russo-Turkish War (1877–1878)": {
"level": 4,
"topic": "History",
"section": "Eastern Europe"
},
"Rwandan genocide": {
"level": 4,
"topic": "History",
"section": "Africa_5"
},
"Radiocarbon dating": {
"level": 4,
"topic": "History",
"section": "Auxiliary historical sciences"
},
"Rational number": {
"level": 4,
"topic": "Mathematics",
"section": "Basics"
},
"Roman numerals": {
"level": 4,
"topic": "Mathematics",
"section": "Basics"
},
"Right angle": {
"level": 4,
"topic": "Mathematics",
"section": "Geometry"
},
"Riemannian geometry": {
"level": 4,
"topic": "Mathematics",
"section": "Geometry"
},
"Riemannian manifold": {
"level": 4,
"topic": "Mathematics",
"section": "Geometry"
},
"Representation theory": {
"level": 4,
"topic": "Mathematics",
"section": "Algebra"
},
"Ring theory": {
"level": 4,
"topic": "Mathematics",
"section": "Algebra"
},
"Ring (mathematics)": {
"level": 4,
"topic": "Mathematics",
"section": "Algebra"
},
"Regression analysis": {
"level": 4,
"topic": "Mathematics",
"section": "Statistics and probability"
},
"Randomized controlled trial": {
"level": 4,
"topic": "Mathematics",
"section": "Statistics and probability"
},
"Random variable": {
"level": 4,
"topic": "Mathematics",
"section": "Statistics and probability"
},
"Russell's paradox": {
"level": 4,
"topic": "Mathematics",
"section": "Discrete mathematics"
},
"Riemann surface": {
"level": 4,
"topic": "Mathematics",
"section": "Calculus and analysis"
},
"Real analysis": {
"level": 4,
"topic": "Mathematics",
"section": "Calculus and analysis"
},
"Riemann hypothesis": {
"level": 4,
"topic": "Mathematics",
"section": "Other"
},
"Rajinikanth": {
"level": 4,
"topic": "People",
"section": "Asia"
},
"Rudolph Valentino": {
"level": 4,
"topic": "People",
"section": "Europe"
},
"Rita Hayworth": {
"level": 4,
"topic": "People",
"section": "United States"
},
"Robert De Niro": {
"level": 4,
"topic": "People",
"section": "United States"
},
"Rudolf Nureyev": {
"level": 4,
"topic": "People",
"section": "Ballet"
},
"Richard Pryor": {
"level": 4,
"topic": "People",
"section": "Comedians"
},
"Raphael": {
"level": 4,
"topic": "People",
"section": "Renaissance to early modern era"
},
"René Magritte": {
"level": 4,
"topic": "People",
"section": "Modern era"
},
"Raymond Loewy": {
"level": 4,
"topic": "People",
"section": "Designers"
},
"Robert Moses": {
"level": 4,
"topic": "People",
"section": "Urban planners and landscape architects"
},
"Rudaki": {
"level": 4,
"topic": "People",
"section": "Western Asia"
},
"Robert Burns": {
"level": 4,
"topic": "People",
"section": "Great Britain and Ireland"
},
"Robert Frost": {
"level": 4,
"topic": "People",
"section": "US and Canada"
},
"Raymond Chandler": {
"level": 4,
"topic": "People",
"section": "US and Canada"
},
"Robert A. Heinlein": {
"level": 4,
"topic": "People",
"section": "US and Canada"
},
"Ray Bradbury": {
"level": 4,
"topic": "People",
"section": "US and Canada"
},
"Ryūnosuke Akutagawa": {
"level": 4,
"topic": "People",
"section": "Eastern Asia_2"
},
"Rainer Maria Rilke": {
"level": 4,
"topic": "People",
"section": "Germany and Austria"
},
"Robert Louis Stevenson": {
"level": 4,
"topic": "People",
"section": "UK and Ireland"
},
"Rudyard Kipling": {
"level": 4,
"topic": "People",
"section": "UK and Ireland"
},
"Roald Dahl": {
"level": 4,
"topic": "People",
"section": "UK and Ireland"
},
"Robert Schumann": {
"level": 4,
"topic": "People",
"section": "Romantic"
},
"Richard Wagner": {
"level": 4,
"topic": "People",
"section": "Romantic"
},
"Richard Strauss": {
"level": 4,
"topic": "People",
"section": "Post-romantic/early modern"
},
"Ralph Vaughan Williams": {
"level": 4,
"topic": "People",
"section": "20th century modern"
},
"Ravi Shankar": {
"level": 4,
"topic": "People",
"section": "Hindustani classical"
},
"Robert Johnson": {
"level": 4,
"topic": "People",
"section": "Blues, R\u0026amp;B, soul and funk"
},
"Ray Charles": {
"level": 4,
"topic": "People",
"section": "Blues, R\u0026amp;B, soul and funk"
},
"Run-DMC": {
"level": 4,
"topic": "People",
"section": "Hip-hop and rap"
},
"Rodgers and Hammerstein": {
"level": 4,
"topic": "People",
"section": "Musical theatre and film"
},
"Raj Kapoor": {
"level": 4,
"topic": "People",
"section": "Asia_6"
},
"Roman Polanski": {
"level": 4,
"topic": "People",
"section": "Europe_6"
},
"Robert Bresson": {
"level": 4,
"topic": "People",
"section": "France_4"
},
"Rothschild family": {
"level": 4,
"topic": "People",
"section": "Businesspeople"
},
"Rupert Murdoch": {
"level": 4,
"topic": "People",
"section": "Businesspeople"
},
"Robert Falcon Scott": {
"level": 4,
"topic": "People",
"section": "Modern_2"
},
"Roald Amundsen": {
"level": 4,
"topic": "People",
"section": "Modern_2"
},
"Ralph Waldo Emerson": {
"level": 4,
"topic": "People",
"section": "Modern_3"
},
"Raymond Cattell": {
"level": 4,
"topic": "People",
"section": "Psychologists"
},
"Rabbi Akiva": {
"level": 4,
"topic": "People",
"section": "Judaism"
},
"Rashi": {
"level": 4,
"topic": "People",
"section": "Judaism"
},
"Ramanuja": {
"level": 4,
"topic": "People",
"section": "Post-classical_5"
},
"Ramakrishna": {
"level": 4,
"topic": "People",
"section": "Modern_5"
},
"Ramana Maharshi": {
"level": 4,
"topic": "People",
"section": "Modern_5"
},
"Ramesses III": {
"level": 4,
"topic": "People",
"section": "Egypt"
},
"Rammarat (Ramkhamhaeng)": {
"level": 4,
"topic": "People",
"section": "Southeastern Asia"
},
"Rajaraja I": {
"level": 4,
"topic": "People",
"section": "Southern Asia_4"
},
"Richard I of England": {
"level": 4,
"topic": "People",
"section": "British Isles"
},
"Robert the Bruce": {
"level": 4,
"topic": "People",
"section": "British Isles"
},
"Robert Guiscard": {
"level": 4,
"topic": "People",
"section": "Italy"
},
"Roger II of Sicily": {
"level": 4,
"topic": "People",
"section": "Italy"
},
"Rama I": {
"level": 4,
"topic": "People",
"section": "Southeastern Asia_2"
},
"Robert Clive": {
"level": 4,
"topic": "People",
"section": "Southern Asia_5"
},
"Roxelana": {
"level": 4,
"topic": "People",
"section": "Western Asia_5"
},
"Robert Walpole": {
"level": 4,
"topic": "People",
"section": "Great Britain and United Kingdom"
},
"Rainilaiarivony": {
"level": 4,
"topic": "People",
"section": "Eastern Africa"
},
"Robert Mugabe": {
"level": 4,
"topic": "People",
"section": "Southern Africa"
},
"Rafael Trujillo": {
"level": 4,
"topic": "People",
"section": "Central America and the Caribbean"
},
"Ronald Reagan": {
"level": 4,
"topic": "People",
"section": "United States_3"
},
"Richard Nixon": {
"level": 4,
"topic": "People",
"section": "United States_3"
},
"Ruhollah Khomeini": {
"level": 4,
"topic": "People",
"section": "Central Asia, Iran, Caucasus_4"
},
"Recep Tayyip Erdoğan": {
"level": 4,
"topic": "People",
"section": "Ottoman Empire and Turkey"
},
"Robert Peel": {
"level": 4,
"topic": "People",
"section": "United Kingdom_2"
},
"Robert Baden-Powell, 1st Baron Baden-Powell": {
"level": 4,
"topic": "People",
"section": "Europe_13"
},
"Rosa Parks": {
"level": 4,
"topic": "People",
"section": "United States_4"
},
"Rani of Jhansi": {
"level": 4,
"topic": "People",
"section": "India_2"
},
"Rosa Luxemburg": {
"level": 4,
"topic": "People",
"section": "Europe_15"
},
"Robert Hooke": {
"level": 4,
"topic": "People",
"section": "Early modern_8"
},
"Robert Millikan": {
"level": 4,
"topic": "People",
"section": "Modern_9"
},
"Richard Feynman": {
"level": 4,
"topic": "People",
"section": "Contemporary"
},
"Robert Boyle": {
"level": 4,
"topic": "People",
"section": "Chemistry"
},
"Robert Burns Woodward": {
"level": 4,
"topic": "People",
"section": "Chemistry"
},
"Rachel Carson": {
"level": 4,
"topic": "People",
"section": "Biology"
},
"Rosalind Franklin": {
"level": 4,
"topic": "People",
"section": "Biology"
},
"Robert Koch": {
"level": 4,
"topic": "People",
"section": "Medicine"
},
"Robert Fulton": {
"level": 4,
"topic": "People",
"section": "Inventors and engineers"
},
"Rudolf Diesel": {
"level": 4,
"topic": "People",
"section": "Inventors and engineers"
},
"Robert H. Goddard": {
"level": 4,
"topic": "People",
"section": "Inventors and engineers"
},
"Ronald Fisher": {
"level": 4,
"topic": "People",
"section": "Modern_10"
},
"Rod Laver": {
"level": 4,
"topic": "People",
"section": "Tennis"
},
"Roger Federer": {
"level": 4,
"topic": "People",
"section": "Tennis"
},
"Ronaldo (Brazilian footballer)": {
"level": 4,
"topic": "People",
"section": "Association football"
},
"Renaissance philosophy": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Philosophy by region and period"
},
"Relativism": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Approaches"
},
"Rationalism": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Approaches_2"
},
"Reality": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Concepts_3"
},
"Reductionism": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Philosophy of science"
},
"Relic": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Religious conversion": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Reincarnation": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Afterlife"
},
"Resurrection": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Afterlife"
},
"Rastafari": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Main branches"
},
"Rabbi": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Judaism"
},
"Reform Judaism": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Judaism"
},
"Russian Orthodox Church": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Branches"
},
"Reformed Christianity": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Branches"
},
"Ramayana": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Hinduism"
},
"Religion in ancient Rome": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Ancient religions"
},
"Religion in pre-Islamic Arabia": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Ancient religions"
},
"Roman mythology": {
"level": 4,
"topic": "Philosophy and religion",
"section": "By culture"
},
"Ra": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Egyptian mythology"
},
"Rama": {
"level": 4,
"topic": "Philosophy and religion",
"section": "Hindu mythology"
},
"Radian": {
"level": 4,
"topic": "Physical sciences",
"section": "Angle"
},
"Rigel": {
"level": 4,
"topic": "Physical sciences",
"section": "Notable stars"
},
"Ring Nebula": {
"level": 4,
"topic": "Physical sciences",
"section": "Notable nebulae"
},
"Radio galaxy": {
"level": 4,
"topic": "Physical sciences",
"section": "Active galactic nucleus"
},
"Redshift": {
"level": 4,
"topic": "Physical sciences",
"section": "Physical cosmology"
},
"Ring system": {
"level": 4,
"topic": "Physical sciences",
"section": "Planetary science"
},
"Red giant": {
"level": 4,
"topic": "Physical sciences",
"section": "Stellar astronomy"
},
"Radical (chemistry)": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical reactions"
},
"Reaction mechanism": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical reactions"
},
"Rubidium": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Ruthenium": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Rhodium": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Rhenium": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Radon": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Radium": {
"level": 4,
"topic": "Physical sciences",
"section": "Chemical elements_2"
},
"Ruby": {
"level": 4,
"topic": "Physical sciences",
"section": "Mineral gemstones"
},
"Rapids": {
"level": 4,
"topic": "Physical sciences",
"section": "Fluvial landforms"
},
"Rainforest": {
"level": 4,
"topic": "Physical sciences",
"section": "Forests"
},
"Rainbow": {
"level": 4,
"topic": "Physical sciences",
"section": "Atmospheric optics"
},
"River delta": {
"level": 4,
"topic": "Physical sciences",
"section": "Hydrology"
},
"Radiation": {
"level": 4,
"topic": "Physical sciences",
"section": "Basics_6"
},
"Rutherford scattering experiments": {
"level": 4,
"topic": "Physical sciences",
"section": "Atomic physics"
},
"Reflection (physics)": {
"level": 4,
"topic": "Physical sciences",
"section": "Optics"
},
"Refraction": {
"level": 4,
"topic": "Physical sciences",
"section": "Optics"
},
"Refractive index": {
"level": 4,
"topic": "Physical sciences",
"section": "Optics"
},
"RGB color model": {
"level": 4,
"topic": "Physical sciences",
"section": "Basics_7"
},
"Red": {
"level": 4,
"topic": "Physical sciences",
"section": "Color terms"
},
"Radio wave": {
"level": 4,
"topic": "Physical sciences",
"section": "Electrodynamics"
},
"Relativistic mechanics": {
"level": 4,
"topic": "Physical sciences",
"section": "Basics_10"
},
"Rotation": {
"level": 4,
"topic": "Physical sciences",
"section": "Classical mechanics"
},
"Reynolds number": {
"level": 4,
"topic": "Physical sciences",
"section": "Fluid mechanics"
},
"Resonance": {
"level": 4,
"topic": "Physical sciences",
"section": "Waves"
},
"Real estate": {
"level": 4,
"topic": "Society and social sciences",
"section": "Business and economics: General"
},
"Renminbi": {
"level": 4,
"topic": "Society and social sciences",
"section": "Specific currencies"
},
"Retirement": {
"level": 4,
"topic": "Society and social sciences",
"section": "Employment"
},
"Rosh Hashanah": {
"level": 4,
"topic": "Society and social sciences",
"section": "Festivals, holidays, and observances"
},
"Ramadan": {
"level": 4,
"topic": "Society and social sciences",
"section": "Festivals, holidays, and observances"
},
"Romani people": {
"level": 4,
"topic": "Society and social sciences",
"section": "Ethnic groups"
},
"Reading": {
"level": 4,
"topic": "Society and social sciences",
"section": "Basics_2"
},
"Rhetoric": {
"level": 4,
"topic": "Society and social sciences",
"section": "Basics_2"
},
"Romance languages": {
"level": 4,
"topic": "Society and social sciences",
"section": "Language families"
},
"Rosetta Stone": {
"level": 4,
"topic": "Society and social sciences",
"section": "Alphabets and writing systems"
},
"Runes": {
"level": 4,
"topic": "Society and social sciences",
"section": "Alphabets and writing systems"
},
"Romanian language": {
"level": 4,
"topic": "Society and social sciences",
"section": "Romance languages"
},
"Rights": {
"level": 4,
"topic": "Society and social sciences",
"section": "Basics_3"
},
"Rape": {
"level": 4,
"topic": "Society and social sciences",
"section": "Crime"
},
"Robbery": {
"level": 4,
"topic": "Society and social sciences",
"section": "Crime"
},
"Rule of law": {
"level": 4,
"topic": "Society and social sciences",
"section": "Institutions and professions"
},
"Religious law": {
"level": 4,
"topic": "Society and social sciences",
"section": "Subjects"
},
"Referendum": {
"level": 4,
"topic": "Society and social sciences",
"section": "Politics"
},
"Revolution": {
"level": 4,
"topic": "Society and social sciences",
"section": "Politics"
},
"Riot": {
"level": 4,
"topic": "Society and social sciences",
"section": "Politics"
},
"Republic": {
"level": 4,
"topic": "Society and social sciences",
"section": "Forms of government"
},
"Respect": {
"level": 4,
"topic": "Society and social sciences",
"section": "Interpersonal relations"
},
"Race (human categorization)": {
"level": 4,
"topic": "Society and social sciences",
"section": "Social status"
},
"Refugee": {
"level": 4,
"topic": "Society and social sciences",
"section": "Basics_6"
},
"Religious war": {
"level": 4,
"topic": "Society and social sciences",
"section": "Wars by type"
},
"Random-access memory": {
"level": 4,
"topic": "Technology",
"section": "Data storage"
},
"Read-only memory": {
"level": 4,
"topic": "Technology",
"section": "Data storage"
},
"Router (computing)": {
"level": 4,
"topic": "Technology",
"section": "Networks"
},
"Remote control": {
"level": 4,
"topic": "Technology",
"section": "Basics_4"
},
"Resistor": {
"level": 4,
"topic": "Technology",
"section": "Components"
},
"Relay": {
"level": 4,
"topic": "Technology",
"section": "Components"
},
"Recycling": {
"level": 4,
"topic": "Technology",
"section": "Basics_6"
},
"Rolling (metalworking)": {
"level": 4,
"topic": "Technology",
"section": "Metallurgy"
},
"Roof": {
"level": 4,
"topic": "Technology",
"section": "Architectural elements"
},
"Room": {
"level": 4,
"topic": "Technology",
"section": "Architectural elements"
},
"Reservoir": {
"level": 4,
"topic": "Technology",
"section": "Hydraulic infrastructure"
},
"Robot": {
"level": 4,
"topic": "Technology",
"section": "Basics_8"
},
"Rope": {
"level": 4,
"topic": "Technology",
"section": "Components_2"
},
"Rivet": {
"level": 4,
"topic": "Technology",
"section": "Components_2"
},
"Ruler": {
"level": 4,
"topic": "Technology",
"section": "Measuring instruments"
},
"Rake (tool)": {
"level": 4,
"topic": "Technology",
"section": "Agricultural tools"
},
"Refrigerator": {
"level": 4,
"topic": "Technology",
"section": "Household appliances"
},
"Radio broadcasting": {
"level": 4,
"topic": "Technology",
"section": "Media and communication"
},
"Radiography": {
"level": 4,
"topic": "Technology",
"section": "Imaging"
},
"Rapier": {
"level": 4,
"topic": "Technology",
"section": "Melee weapons"
},
"Rifle": {
"level": 4,
"topic": "Technology",
"section": "Projectile weapons"
},
"Radio telescope": {
"level": 4,
"topic": "Technology",
"section": "Optical instruments"
},
"Rocket engine": {
"level": 4,
"topic": "Technology",
"section": "Basics_10"
},
"Roscosmos": {
"level": 4,
"topic": "Technology",
"section": "Programs and launch sites"
},
"Road transport": {
"level": 4,
"topic": "Technology",
"section": "Road transport"
},
"Rickshaw": {
"level": 4,
"topic": "Technology",
"section": "Road transport"
},
"Rail transport": {
"level": 4,
"topic": "Technology",
"section": "Trains"
},
"Railway track": {
"level": 4,
"topic": "Technology",
"section": "Trains"
},
"Rapid transit": {
"level": 4,
"topic": "Technology",
"section": "Trains"
},
"Riverboat": {
"level": 4,
"topic": "Technology",
"section": "Maritime transport"
},
"Ruins": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Terminology"
},
"Rock-cut architecture": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Prehistory and ancient history"
},
"Renaissance Revival architecture": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Modern era"
},
"Revivalism (architecture)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Modern era"
},
"Rock-Hewn Churches, Lalibela": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Africa"
},
"Rockefeller Center": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Americas"
},
"Red Fort": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Asia"
},
"Registan": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Asia"
},
"Roman Forum": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Europe"
},
"Royal Observatory, Greenwich": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Europe"
},
"Reichstag building": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Europe"
},
"Red Square": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Squares and plazas"
},
"Rijksmuseum": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Netherlands"
},
"Russian Museum": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Russia"
},
"Royal Alberta Museum": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Northern America_2"
},
"Royal Tyrrell Museum of Palaeontology": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Northern America_2"
},
"Rock and Roll Hall of Fame": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Northern America_3"
},
"Royal Ontario Museum": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Combined museums"
},
"Record label": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basics_2"
},
"Record producer": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basics_2"
},
"Record chart": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basics_2"
},
"Remix": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basics_2"
},
"Register (music)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Music theory"
},
"Religious music": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Religious music"
},
"Requiem": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basic forms"
},
"Rhapsody (music)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Basic forms"
},
"Raï": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Popular music: General"
},
"Reggaeton": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Popular music: General"
},
"Raga": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Music of Asia"
},
"Roland TR-808": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Electronic instruments"
},
"Requiem (Mozart)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Classical"
},
"Radetzky March": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Romantic"
},
"Requiem (Fauré)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Romantic"
},
"Requiem (Verdi)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Romantic"
},
"Romeo and Juliet (Tchaikovsky)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Romantic"
},
"Rhapsody on a Theme of Paganini": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "20th century"
},
"Rigoletto": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Opera"
},
"Ride of the Valkyries": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Opera"
},
"Romeo and Juliet (Prokofiev)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Ballet"
},
"Rent (musical)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Musicals"
},
"Rule, Britannia!": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Anthems and patriotic songs"
},
"Respect (song)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Blues, R\u0026amp;B and Soul"
},
"Rapper's Delight": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Hip-hop and rap"
},
"Ready to Die": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Hip-hop and rap"
},
"Red (Taylor Swift album)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Pop music"
},
"Ramones (album)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Rock_2"
},
"Revolver (Beatles album)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Rock_2"
},
"Rock Around the Clock": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Rock_2"
},
"Rumours (album)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Rock_2"
},
"Rehearsal": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Concepts"
},
"Ringmaster (circus)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Circus"
},
"Russian ballet": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Ballet_2"
},
"Rhumba": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Ballroom dance"
},
"Retro style": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Concepts and forms"
},
"Relief": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Sculpture"
},
"Raster graphics": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Digital art"
},
"Rideau, Cruchon et Compotier": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Modern"
},
"Rabbit (Koons)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Sculpture_2"
},
"Robert E. Lee Monument (Charlottesville, Virginia)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Sculpture_2"
},
"Raising the Flag on Iwo Jima": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Photographs"
},
"Raising a Flag over the Reichstag": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Photographs"
},
"Rhein II": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Photographs"
},
"Ruby slippers": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Individual fashion designs"
},
"Relativity (M. C. Escher)": {
"level": 5,
"topic": "Arts",
"sublist": "Audiovisual arts",
"section": "Other media"
},
"Roman à clef": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Fiction"
},
"Reference work": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Reference works"
},
"Romanian literature": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Literatures by religion, language and area"
},
"Renaissance literature": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "History of world literature"
},
"Rhetoric (Aristotle)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Non-fiction of antiquity"
},
"Rhind Mathematical Papyrus": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Non-fiction of antiquity"
},
"Revelations of Divine Love": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Non-fiction of the medieval era"
},
"Revised Version": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Bible translations"
},
"Robert's Rules of Order": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Reference works_2"
},
"Richard II (play)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Shakespeare"
},
"Richard III (play)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Shakespeare"
},
"Rabbit, Run": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Literary fiction"
},
"Red Sorghum (novel)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Literary fiction"
},
"Rickshaw Boy": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Literary fiction"
},
"Roots: The Saga of an American Family": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Historical fiction"
},
"Rebecca (novel)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Horror and gothic fiction"
},
"Ranma ½": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Manga"
},
"Rurouni Kenshin": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Manga"
},
"Roman de la Rose": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Poetic works of the medieval era"
},
"Revolutionary opera": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Theatre"
},
"Romantic comedy": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Film and television genres"
},
"Raiders of the Lost Ark": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Action"
},
"Roundhay Garden Scene": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Documentary"
},
"Rashomon": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Epic and historical"
},
"Rear Window": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Horror and thriller"
},
"Ring (film)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Horror and thriller"
},
"Rosemary's Baby (film)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Horror and thriller"
},
"Raging Bull": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Sports"
},
"Rocky": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Sports"
},
"Rome, Open City": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "War"
},
"Ramayan (1987 TV series)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "India"
},
"Rowan \u0026 Martin's Laugh-In": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "1960–1979"
},
"Roots (1977 miniseries)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "1960–1979"
},
"Roseanne": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "1980–1999"
},
"Rugrats": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "1980–1999"
},
"Rick and Morty": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Post-1999"
},
"Robin (character)": {
"level": 5,
"topic": "Arts",
"sublist": "Narrative arts",
"section": "Heroes"
},
"Ragdoll": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Cats"
},
"Ragamuffin cat": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Cats"
},
"Russian Blue": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Cats"
},
"Rhode Island Red": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Chickens"
},
"Retriever": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Dogs"
},
"Rex rabbit": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Rabbits"
},
"Rambouillet sheep": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Sheep"
},
"Romney sheep": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Sheep"
},
"Rin Tin Tin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Individual animals"
},
"Rhinocerotoidea": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Perissodactyla"
},
"Red wolf": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Canidae"
},
"Red fox": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Canidae"
},
"Rusty-spotted cat": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Felidae"
},
"Raccoon": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Procyonidae"
},
"Ringtail": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Procyonidae"
},
"Red panda": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Other carnivora"
},
"Roe deer": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Deer"
},
"Reticulated giraffe": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Giraffidae"
},
"Red river hog": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Pigs_2"
},
"Remingtonocetidae": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Cetaceans"
},
"Right whale": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Baleen whales"
},
"Right whale dolphin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Toothed whale"
},
"Risso's dolphin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Toothed whale"
},
"River dolphin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Toothed whale"
},
"Ring-tailed lemur": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Strepsirrhini"
},
"Ruffed lemur": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Strepsirrhini"
},
"Red squirrel": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Rodents"
},
"Red kangaroo": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Diprotodontia"
},
"Rock-wallaby": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Diprotodontia"
},
"Repenomamus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Stem-mammals"
},
"Rufous hummingbird": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Apodiformes"
},
"Rynchops": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Charadriiformes"
},
"Ruff (bird)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Charadriiformes"
},
"Roadrunner": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Cuculiformes"
},
"Red junglefowl": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Galliformes"
},
"Rook (bird)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Corvides"
},
"Red-billed quelea": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Passerides"
},
"Rainbow lorikeet": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Psittaciformes"
},
"Rosella": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Psittaciformes"
},
"Red-bellied black snake": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Snakes"
},
"Reticulated python": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Snakes"
},
"Rhynchocephalia": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Rhynchocephalia"
},
"Rhamphorhynchus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Pterosaurs"
},
"Rhynchosauria": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Other prehistoric reptiles"
},
"Reptiliomorpha": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Reptiliomorphs"
},
"Rana (genus)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Frogs and toads"
},
"Rough-skinned newt": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Salamanders and newts"
},
"Rabbit fish": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Chimaeriformes"
},
"Requiem shark": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Sharks"
},
"River shark": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Sharks"
},
"Ribbon eel": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Anguilliformes"
},
"Ricefish": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Acanthomorpha"
},
"Ribbonfish": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Acanthomorpha"
},
"Rabbitfish": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Acanthomorpha"
},
"Red mullet": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Acanthomorpha"
},
"Reedfish": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Polypteriformes"
},
"Red king crab": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Hermit crabs and relatives"
},
"Ranina ranina": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Crabs"
},
"Reef lobster": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Crayfishes and lobsters"
},
"Rhynchocinetidae": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Shrimps and prawns"
},
"Ricinulei": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Arachnids"
},
"Redback spider": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Spiders"
},
"Rove beetle": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Beetles (Coleoptera)"
},
"Ranatra": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Hemiptera (true bugs)"
},
"Reduviidae": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Hemiptera (true bugs)"
},
"Rhaphidophoridae": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Orthoptera"
},
"Rudists": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Bivalvia"
},
"Riftia": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Lophotrochozoa"
},
"Rotifer": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Animals",
"section": "Platyzoa"
},
"Rectum": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Gastrointestinal tract"
},
"Rod cell": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Visual system"
},
"Retina": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Visual system"
},
"Radius (bone)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Skeletal system"
},
"Rib cage": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Skeletal system"
},
"Rib": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Skeletal system"
},
"Rhizome": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Plant anatomy and morphology: General"
},
"Radicle": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Plant anatomy and morphology: General"
},
"Regurgitation (digestion)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Basics"
},
"Rhodopsin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Biological pigments"
},
"Ribose": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Carbohydrates"
},
"Ribosomal RNA": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Nucleic acids"
},
"RNA polymerase": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"RNA splicing": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"RNA interference": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"Regulation of gene expression": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"Reverse transcriptase": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"Restriction enzyme": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Molecular biology"
},
"Rapid eye movement sleep": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Ethology"
},
"Receptor (biochemistry)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Cell processes"
},
"R/K selection theory": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Ecology"
},
"Reverse genetics": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Genetics"
},
"Reproductive isolation": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Basics_4"
},
"Red Deer Cave people": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Biology",
"section": "Homo"
},
"Residential treatment center": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Health facilities"
},
"Respiratory sounds": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Diagnostics"
},
"Respiratory rate": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Diagnostics"
},
"Reperfusion therapy": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Treatments"
},
"Root canal treatment": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Dental treatments"
},
"Reduction (orthopedic procedure)": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Surgery"
},
"Rh blood group system": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Human anatomy"
},
"Rectus abdominis muscle": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Human anatomy"
},
"Ring finger": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Human anatomy"
},
"Reproductive medicine": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Fields of medicine"
},
"Rheumatology": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Fields of medicine"
},
"Route of administration": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Drug delivery"
},
"Ranitidine": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Antihistamines"
},
"Rabies vaccine": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Vaccines"
},
"Rheumatoid arthritis": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Specific diseases: other"
},
"Repetitive strain injury": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Types"
},
"Refractive error": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Disabilities"
},
"Reverse zoonosis": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Pathogen transmission"
},
"Respiratory tract infection": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Infectious diseases by site"
},
"Rheumatic fever": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Bacterial infections"
},
"Rift Valley fever": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Viral diseases"
},
"Rinderpest": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Viral diseases"
},
"Rotavirus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Viral diseases"
},
"Rubella": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Viral diseases"
},
"Rash": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Symptoms and signs"
},
"Rhinorrhea": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Symptoms and signs"
},
"Rickets": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Nutrition"
},
"Riboflavin": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Health",
"section": "Vitamins"
},
"Rhyniophyte": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Vascular plants (except seed plants)"
},
"Rattan": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Arecaceae (Palms)"
},
"Roystonea": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Arecaceae (Palms)"
},
"Roystonea oleracea": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Arecaceae (Palms)"
},
"Roystonea regia": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Arecaceae (Palms)"
},
"Red banana": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Zingiberales"
},
"Ravenala": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Zingiberales"
},
"Rapini": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Brassicaceae"
},
"Reynoutria japonica": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Caryophyllales: others"
},
"Rhubarb": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Caryophyllales: others"
},
"Rubia tinctorum": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Gentianales"
},
"Rosemary": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Lamiaceae"
},
"Rafflesia arnoldii": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Malpighiales: others"
},
"Ranunculus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Ranunculales"
},
"Rosales": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Rosales"
},
"Red Delicious": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Rosaceae"
},
"Rubus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Rosaceae"
},
"Rowan": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Rosaceae"
},
"Rutaceae": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Rutaceae"
},
"Rambutan": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Sapindaceae"
},
"Ribes": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Saxifragales"
},
"Redcurrant": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Saxifragales"
},
"Russet Burbank": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Solanaceae"
},
"Rhizopus": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Basics"
},
"Radiolaria": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "SAR supergroup"
},
"Rhizobia": {
"level": 5,
"topic": "Biology and health sciences",
"sublist": "Plants",
"section": "Pseudomonadota"
},
"Renting": {
"level": 5,
"topic": "Everyday life",
"section": "Housing"
},
"Raincoat": {
"level": 5,
"topic": "Everyday life",
"section": "Outerwear"
},
"Ring (jewellery)": {
"level": 5,
"topic": "Everyday life",
"section": "Jewelry"
},
"Regular haircut": {
"level": 5,
"topic": "Everyday life",
"section": "Hairstyle"
},
"Rouge (cosmetics)": {
"level": 5,
"topic": "Everyday life",
"section": "Cosmetics"
},
"Russian cuisine": {
"level": 5,
"topic": "Everyday life",
"section": "Cuisine"
},
"Roasting": {
"level": 5,
"topic": "Everyday life",
"section": "Cooking"
},
"Rotisserie": {
"level": 5,
"topic": "Everyday life",
"section": "Cooking"
},
"Rapeseed oil": {
"level": 5,
"topic": "Everyday life",
"section": "Cooking oils"
},
"Rice flour": {
"level": 5,
"topic": "Everyday life",
"section": "Grains-based products"
},
"Roti": {
"level": 5,
"topic": "Everyday life",
"section": "Bread"
},
"Rye bread": {
"level": 5,
"topic": "Everyday life",
"section": "Bread"
},
"Rib eye steak": {
"level": 5,
"topic": "Everyday life",
"section": "Meat"
},
"Red meat": {
"level": 5,
"topic": "Everyday life",
"section": "Meat"
},
"Roast chicken": {
"level": 5,
"topic": "Everyday life",
"section": "Poultry"
},
"Roe": {
"level": 5,
"topic": "Everyday life",
"section": "Seafood"
},
"Rice milk": {
"level": 5,
"topic": "Everyday life",
"section": "Dairy analogues"
},
"Ranch dressing": {
"level": 5,
"topic": "Everyday life",
"section": "Specific"
},
"Risotto": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Rendang": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Raisin": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Rice noodles": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Rice vermicelli": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Ramen": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Ravioli": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Rice ball": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Rice cake": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Reuben sandwich": {
"level": 5,
"topic": "Everyday life",
"section": "Food types"
},
"Raspberry juice": {
"level": 5,
"topic": "Everyday life",
"section": "Cold drinks"
},
"Red Bull": {
"level": 5,
"topic": "Everyday life",
"section": "Cold drinks"
},
"Root beer": {
"level": 5,
"topic": "Everyday life",
"section": "Cold drinks"
},
"Rooibos": {
"level": 5,
"topic": "Everyday life",
"section": "Hot drinks"
},
"Red wine": {
"level": 5,
"topic": "Everyday life",
"section": "Alcoholic drinks"
},
"Rum and Coke": {
"level": 5,
"topic": "Everyday life",
"section": "Alcoholic drinks"
},
"Recliner": {
"level": 5,
"topic": "Everyday life",
"section": "Furniture and interior design"
},
"Rocking chair": {
"level": 5,
"topic": "Everyday life",
"section": "Furniture and interior design"
},
"Red-light district": {
"level": 5,
"topic": "Everyday life",
"section": "Pornography and sex work"
},
"Roundabout (play)": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Recreation and tourism"
},
"Rafting": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Outdoor recreation"
},
"Roller coaster": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Amusement parks"
},
"Resort": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Tourism"
},
"Road trip": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Tourism"
},
"Rag doll": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Toys"
},
"Rubber duck": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Toys"
},
"Rail transport modelling": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Toys"
},
"Rocking horse": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Toys"
},
"Race game": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Types of games"
},
"Rummikub": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Tabletop games"
},
"Reversi": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Board games"
},
"Risk (game)": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Board games"
},
"Royal Game of Ur": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Board games"
},
"Rummy": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Card games"
},
"Role-playing video game": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Video game genres"
},
"Roguelike": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Video game genres"
},
"Racing game": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Video game genres"
},
"Real-time strategy": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Video game genres"
},
"Resident Evil": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Japanese products"
},
"Roblox": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "US products"
},
"Rogue (video game)": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "US products"
},
"Russian roulette": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Gambling"
},
"Red Rover": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Other games and plays"
},
"Rock paper scissors": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Other games and plays"
},
"Racing": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Basics"
},
"Referee": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Basics"
},
"Racket (sports equipment)": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Sports equipment"
},
"Roller skates": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Sports equipment"
},
"Ringball": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Team sports"
},
"Ringette": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Team sports"
},
"Rounders": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Team sports"
},
"Rugby League World Cup": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Football"
},
"Recreational fishing": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Animal sport"
},
"Race walking": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Athletics"
},
"Relay race": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Field and combined events"
},
"Road bicycle racing": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Cycling"
},
"Rings (gymnastics)": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Gymnastics"
},
"Rhythmic gymnastics": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Gymnastics"
},
"Radio-controlled car": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Auto racing"
},
"Rallying": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Auto racing"
},
"Rallycross": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Auto racing"
},
"Roller derby": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Skating"
},
"Roller hockey": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Skating"
},
"Racquetball": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Other individual sports"
},
"Russian Premier League": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Association football"
},
"Real Madrid CF": {
"level": 5,
"topic": "Everyday life",
"sublist": "Sports, games and recreation",
"section": "Association football_2"
},
"Residential area": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Urban studies and planning"
},
"Rustenburg": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "South Africa"
},
"Regina, Saskatchewan": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Canada"
},
"Rochester, New York": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Northeast"
},
"Richmond, Virginia": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "South"
},
"Raleigh, North Carolina": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "South"
},
"Reno, Nevada": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "West"
},
"Reynosa": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Mexico"
},
"Roseau": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Other_2"
},
"Rawson, Chubut": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Argentina"
},
"Río Gallegos, Santa Cruz": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Argentina"
},
"Río Grande, Tierra del Fuego": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Argentina"
},
"Ribeirão Preto": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Brazil"
},
"Rio Branco, Acre": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Brazil"
},
"Rancagua": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Chile"
},
"Rizhao": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "East China"
},
"Rason": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "North Korea"
},
"Rajshahi": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Bangladesh"
},
"Rangpur, Bangladesh": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Bangladesh"
},
"Rohtak": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "North India"
},
"Rampur, Uttar Pradesh": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "North India"
},
"Rishikesh": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "North India"
},
"Rajkot": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "West India"
},
"Rajahmundry": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "South India"
},
"Rourkela": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "East India"
},
"Rajarhat": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "East India"
},
"Rajpur Sonarpur": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "East India"
},
"Rahim Yar Khan": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Pakistan"
},
"Rạch Giá": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Vietnam"
},
"Ramadi": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Iraq"
},
"Rasht": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Iran"
},
"Rishon LeZion": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Israel"
},
"Russeifa": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Jordan"
},
"Ramallah": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Palestine"
},
"Raqqa": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Syria"
},
"Ruse, Bulgaria": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Bulgaria"
},
"Rzeszów": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Poland"
},
"Ryazan": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Central"
},
"Rivne": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Ukraine"
},
"Reykjavík": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Iceland"
},
"Reims": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "France"
},
"Rennes": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "France"
},
"Rouen": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "France"
},
"Rostock": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Germany"
},
"Reading, Berkshire": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "England"
},
"Rhodes (city)": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Greece"
},
"Ravenna": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Italy"
},
"Reggio Calabria": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Italy"
},
"Reggio Emilia": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Italy"
},
"Rimini": {
"level": 5,
"topic": "Geography",
"sublist": "Cities",
"section": "Italy"
},
"Red Sea Governorate": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Egypt"
},
"Rivers State": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Nigeria"
},
"Ross Dependency": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Antarctica"
},
"Rajshahi Division": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Bangladesh"
},
"Rangpur Division": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Bangladesh"
},
"Riau": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Indonesia"
},
"Riau Islands": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Indonesia"
},
"Razavi Khorasan province": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Iran"
},
"Rakhine State": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Myanmar"
},
"Ryanggang Province": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "North Korea"
},
"Riyadh Province": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Saudi Arabia"
},
"Republika Srpska": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Bosnia and Herzegovina"
},
"Rhône-Alpes": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "France"
},
"Rhine-Ruhr metropolitan region": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Germany"
},
"Rhineland-Palatinate": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Germany"
},
"Republic of Karelia": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Russia"
},
"Russian Far East": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Russia"
},
"Region of Murcia": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Spain"
},
"Rivne Oblast": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Ukraine"
},
"Rutland": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "England"
},
"Rust Belt": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Regions of the US"
},
"Rhode Island": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "New England"
},
"Riverina": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Australia"
},
"Regions of Peru": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "South America: General"
},
"Río Negro Province": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Argentina"
},
"Rondônia": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Brazil"
},
"Roraima": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Brazil"
},
"Rio Grande do Norte": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Brazil"
},
"Rio de Janeiro (state)": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Brazil"
},
"Rio Grande do Sul": {
"level": 5,
"topic": "Geography",
"sublist": "Countries",
"section": "Brazil"
},
"Red River (Asia)": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Southeast Asia"
},
"Ravi River": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "South Asia"
},
"Rhône": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Europe_2"
},
"River Forth": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Great Britain"
},
"River Severn": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Great Britain"
},
"River Thames": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Great Britain"
},
"River Tyne": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Great Britain"
},
"Red River of the South": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "United States"
},
"Red River of the North": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "United States"
},
"Red Flag Canal": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Canals"
},
"Rhine–Main–Danube Canal": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Canals"
},
"Rideau Canal": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Canals"
},
"Rabbitkettle Hot Springs": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Geysers and hot springs"
},
"Ross Ice Shelf": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Glaciers and sea ice"
},
"Red River Delta": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "River deltas"
},
"Rodrigues": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Africa_3"
},
"Riau Archipelago": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Malay Archipelago"
},
"Rügen": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Europe_3"
},
"Rhodes": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Greece"
},
"Revillagigedo Islands": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "North and Central America: General"
},
"Roanoke Island": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "United States_2"
},
"Raoul Island": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Oceania_3"
},
"Rarotonga": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Oceania_3"
},
"Rotuma": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Oceania_3"
},
"Rocher de Sel": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Africa_5"
},
"Rwenzori Mountains": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Africa_5"
},
"Ras Dashen": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Africa_6"
},
"Rainbow Bridge National Monument": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Cliffs, headlands, stacks and natural arches"
},
"Rig-e Jenn": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Deserts and dunes"
},
"Råbjerg Mile": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Deserts and dunes"
},
"Rub' al Khali": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Deserts and dunes"
},
"Russian Arctic National Park": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "Europe_7"
},
"Redwood National and State Parks": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "North America_4"
},
"Rocky Mountain National Park": {
"level": 5,
"topic": "Geography",
"sublist": "Physical",
"section": "North America_4"
},
"Regional geography": {
"level": 5,
"topic": "Geography",
"sublist": "Technical",
"section": "Continents and regions"
},
"Records management": {
"level": 5,
"topic": "History",
"section": "Basics: General"
},
"Recovered Territories": {
"level": 5,
"topic": "History",
"section": "Europe_2"
},
"Roanoke Colony": {
"level": 5,
"topic": "History",
"section": "Colonial history"
},
"Racial segregation in the United States": {
"level": 5,
"topic": "History",
"section": "History by demographic group"
},
"Rural history": {
"level": 5,
"topic": "History",
"section": "History by topic"
},
"Romanticism in science": {
"level": 5,
"topic": "History",
"section": "History of science"
},
"Renaissance technology": {
"level": 5,
"topic": "History",
"section": "History of technology"
},
"Recent African origin of modern humans": {
"level": 5,
"topic": "History",
"section": "Prehistory"
},
"Roman magistrate": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman legion": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman conquest of Britain": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman conquest of the Iberian Peninsula": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman expansion in Italy": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman Britain": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Roman Egypt": {
"level": 5,
"topic": "History",
"section": "Ancient Rome"
},
"Rus' people": {
"level": 5,
"topic": "History",
"section": "Other"
},
"Rebellion of the Seven States": {
"level": 5,
"topic": "History",
"section": "Eastern Asia"
},
"Royal intermarriage": {
"level": 5,
"topic": "History",
"section": "Post-classical: General"
},
"Route from the Varangians to the Greeks": {
"level": 5,
"topic": "History",
"section": "Europe: General"
},
"Renaissance of the 12th century": {
"level": 5,
"topic": "History",
"section": "Western Europe"
},
"Republic of Ancona": {
"level": 5,
"topic": "History",
"section": "Italy"
},
"Republic of Pisa": {
"level": 5,
"topic": "History",
"section": "Italy"
},
"Republic of Florence": {
"level": 5,
"topic": "History",
"section": "Italy"
},
"Republic of Siena": {
"level": 5,
"topic": "History",
"section": "Italy"
},
"Republic of Ragusa": {
"level": 5,
"topic": "History",
"section": "Eastern and Central Europe"
},
"Ruthenia": {
"level": 5,
"topic": "History",
"section": "Eastern and Central Europe"
},
"Rashidun Caliphate": {
"level": 5,
"topic": "History",
"section": "Western Asia_2"
},
"Rashtrakuta Empire": {
"level": 5,
"topic": "History",
"section": "Southern Asia_2"
},
"Reign of Terror": {
"level": 5,
"topic": "History",
"section": "Western Europe_2"
},
"Régence": {
"level": 5,
"topic": "History",
"section": "Western Europe_2"
},
"Russo-Turkish wars": {
"level": 5,
"topic": "History",
"section": "Eastern Europe and Central"
},
"Russo-Kazan Wars": {
"level": 5,
"topic": "History",
"section": "Eastern Europe and Central"
},
"Russian colonization of North America": {
"level": 5,
"topic": "History",
"section": "Americas_4"
},
"Royal Proclamation of 1763": {
"level": 5,
"topic": "History",
"section": "Americas_4"
},
"Regency of Algiers": {
"level": 5,
"topic": "History",
"section": "Africa_6"
},
"Russian conquest of Siberia": {
"level": 5,
"topic": "History",
"section": "Central and Western Asia"
},
"Rattanakosin Kingdom (1782–1932)": {
"level": 5,
"topic": "History",
"section": "Eastern and Southeastern Asia"
},
"Ryukyu Kingdom": {
"level": 5,
"topic": "History",
"section": "Eastern and Southeastern Asia"
},
"Roaring Twenties": {
"level": 5,
"topic": "History",
"section": "Modern: General"
},
"Russia in World War I": {
"level": 5,
"topic": "History",
"section": "World War I"
},
"Romania in World War I": {
"level": 5,
"topic": "History",
"section": "Eastern Front"
},
"Revolutions of 1917–1923": {
"level": 5,
"topic": "History",
"section": "Aftermath"
},
"Resistance during World War II": {
"level": 5,
"topic": "History",
"section": "World War II: General"
},
"Rescue of Jews during the Holocaust": {
"level": 5,
"topic": "History",
"section": "The Holocaust"
},
"Romani Holocaust": {
"level": 5,
"topic": "History",
"section": "The Holocaust"
},
"Russification of Finland": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Reichstag fire": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Rise of nationalism in Europe": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Russian famine of 1921–1922": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Republican faction (Spanish Civil War)": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Red Terror (Spain)": {
"level": 5,
"topic": "History",
"section": "Europe_7"
},
"Rebellions of 1837–1838": {
"level": 5,
"topic": "History",
"section": "Americas_5"
},
"Reconstruction era": {
"level": 5,
"topic": "History",
"section": "United States_2"
},
"Reconstruction Amendments": {
"level": 5,
"topic": "History",
"section": "United States_2"
},
"Republic of Texas": {
"level": 5,
"topic": "History",
"section": "United States_2"
},
"Rif War": {
"level": 5,
"topic": "History",
"section": "Africa_7"
},
"Russian conquest of Central Asia": {
"level": 5,
"topic": "History",
"section": "Central Asia"
},
"Republic of China (1912–1949)": {
"level": 5,
"topic": "History",
"section": "East Asia"
},
"Rhodesia": {
"level": 5,
"topic": "History",
"section": "Africa_8"
},
"Rhodesian Bush War": {
"level": 5,
"topic": "History",
"section": "Africa_8"
},
"Rwandan Civil War": {
"level": 5,
"topic": "History",
"section": "Africa_8"
},
"Rwandan Revolution": {
"level": 5,
"topic": "History",
"section": "Africa_8"
},
"Redlining": {
"level": 5,
"topic": "History",
"section": "United States_3"
},
"Reaganomics": {
"level": 5,
"topic": "History",
"section": "United States_3"
},
"Revocation of the special status of Jammu and Kashmir": {
"level": 5,
"topic": "History",
"section": "South Asia_2"
},
"Rohingya genocide": {
"level": 5,
"topic": "History",
"section": "Southeast Asia"
},
"Romanian revolution": {
"level": 5,
"topic": "History",
"section": "Eastern Europe"
},
"Russo-Georgian War": {
"level": 5,
"topic": "History",
"section": "Russian Federation"
},
"Russo-Ukrainian war": {
"level": 5,
"topic": "History",
"section": "Russian Federation"
},
"Russian annexation of Crimea": {
"level": 5,
"topic": "History",
"section": "Russian Federation"
},
"Russo-Ukrainian war (2022–present)": {
"level": 5,
"topic": "History",
"section": "Russian Federation"
},
"Red Army Faction": {
"level": 5,
"topic": "History",
"section": "Western Europe_3"
},
"Recreational mathematics": {
"level": 5,
"topic": "Mathematics",
"section": "Basics"
},
"Rate (mathematics)": {
"level": 5,
"topic": "Mathematics",
"section": "Number systems"
},
"Ratio": {
"level": 5,
"topic": "Mathematics",
"section": "Number systems"
},
"Repeating decimal": {
"level": 5,
"topic": "Mathematics",
"section": "Number systems"
},
"Range of a function": {
"level": 5,
"topic": "Mathematics",
"section": "Functions: General"
},
"Real-valued function": {
"level": 5,
"topic": "Mathematics",
"section": "Functions: General"
},
"Rational function": {
"level": 5,
"topic": "Mathematics",
"section": "Specific functions"
},
"Riemann zeta function": {
"level": 5,
"topic": "Mathematics",
"section": "Specific functions"
},
"Rectangular function": {
"level": 5,
"topic": "Mathematics",
"section": "Specific functions"
},
"Reflection (mathematics)": {
"level": 5,
"topic": "Mathematics",
"section": "Geometry: General"
},
"Rotation (mathematics)": {
"level": 5,
"topic": "Mathematics",
"section": "Geometry: General"
},
"Radius": {
"level": 5,
"topic": "Mathematics",
"section": "Two-dimensional space"
},
"Reuleaux triangle": {
"level": 5,
"topic": "Mathematics",
"section": "Polygons"
},
"Right triangle": {
"level": 5,
"topic": "Mathematics",
"section": "Polygons"
},
"Rectangle": {
"level": 5,
"topic": "Mathematics",
"section": "Polygons"
},
"Rhombus": {
"level": 5,
"topic": "Mathematics",
"section": "Polygons"
},
"Regular polygon": {
"level": 5,
"topic": "Mathematics",
"section": "Polygons"
},
"Regular polyhedron": {
"level": 5,
"topic": "Mathematics",
"section": "Polyhedra"
},
"Regular dodecahedron": {
"level": 5,
"topic": "Mathematics",
"section": "Polyhedra"
},
"Regular icosahedron": {
"level": 5,
"topic": "Mathematics",
"section": "Polyhedra"
},
"Rotations in 4-dimensional Euclidean space": {
"level": 5,
"topic": "Mathematics",
"section": "Four-dimensional space"
},
"Rank (linear algebra)": {
"level": 5,
"topic": "Mathematics",
"section": "Matrices"
},
"Rank–nullity theorem": {
"level": 5,
"topic": "Mathematics",
"section": "Matrices"
},
"Resultant": {
"level": 5,
"topic": "Mathematics",
"section": "Other algebra topics"
},
"Random walk": {
"level": 5,
"topic": "Mathematics",
"section": "Probability"
},
"Randomness": {
"level": 5,
"topic": "Mathematics",
"section": "Probability"
},
"Rule of inference": {
"level": 5,
"topic": "Mathematics",
"section": "Mathematical logic"
},
"Reflexive relation": {
"level": 5,
"topic": "Mathematics",
"section": "Set theory"
},
"Rice's theorem": {
"level": 5,
"topic": "Mathematics",
"section": "Computability theory"
},
"Ramsey theory": {
"level": 5,
"topic": "Mathematics",
"section": "Combinatorics"
},
"Ramsey's theorem": {
"level": 5,
"topic": "Mathematics",
"section": "Combinatorics"
},
"Rule of product": {
"level": 5,
"topic": "Mathematics",
"section": "Combinatorics"
},
"Regular graph": {
"level": 5,
"topic": "Mathematics",
"section": "Graph theory"
},
"Rainbow matching": {
"level": 5,
"topic": "Mathematics",
"section": "Graph theory"
},
"Related rates": {
"level": 5,
"topic": "Mathematics",
"section": "Differential calculus"
},
"Riemann integral": {
"level": 5,
"topic": "Mathematics",
"section": "Integral calculus"
},
"Riemann sum": {
"level": 5,
"topic": "Mathematics",
"section": "Integral calculus"
},
"Ricci calculus": {
"level": 5,
"topic": "Mathematics",
"section": "Multivariable and vector calculus"
},
"Runge–Kutta methods": {
"level": 5,
"topic": "Mathematics",
"section": "Differential equations"
},
"Radius of convergence": {
"level": 5,
"topic": "Mathematics",
"section": "Sequences and series"
},
"Root-finding algorithm": {
"level": 5,
"topic": "Mathematics",
"section": "Real analysis"
},
"Regula falsi": {
"level": 5,
"topic": "Mathematics",
"section": "Real analysis"
},
"Riemann sphere": {
"level": 5,
"topic": "Mathematics",
"section": "Complex analysis"
},
"Residue (complex analysis)": {
"level": 5,
"topic": "Mathematics",
"section": "Complex analysis"
},
"Residue theorem": {
"level": 5,
"topic": "Mathematics",
"section": "Complex analysis"
},
"Root of unity": {
"level": 5,
"topic": "Mathematics",
"section": "Complex analysis"
},
"Recurrence relation": {
"level": 5,
"topic": "Mathematics",
"section": "Sequences"
},
"Repeated game": {
"level": 5,
"topic": "Mathematics",
"section": "Game theory"
},
"Reed–Solomon error correction": {
"level": 5,
"topic": "Mathematics",
"section": "Information theory"
},
"Red–black tree": {
"level": 5,
"topic": "Mathematics",
"section": "Data structures and types"
},
"Robert Campin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Renaissance to early modern era"
},
"Rachel Ruysch": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Renaissance to early modern era"
},
"Rogier van der Weyden": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Renaissance to early modern era"
},
"Rosa Bonheur": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Modern era"
},
"Robert Delaunay": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Modern era"
},
"Roy Lichtenstein": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Modern era"
},
"Raden Saleh": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Modern era"
},
"Robert Crumb": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Rob Liefeld": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Richard F. Outcault": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Robert Ripley": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Richard Scarry": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Rumiko Takahashi": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Rodolphe Töpffer": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Comics and manga artists, print cartoonists and illustrators"
},
"Richard Serra": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Sculptors"
},
"Robert Adam": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Rem Koolhaas": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Richard Meier": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Richard Neutra": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Renzo Piano": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Richard Rogers": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Robert Venturi": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Architects"
},
"Rose Bertin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Fashion"
},
"Ralph Lauren": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Fashion"
},
"Richard Garfield": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Tabletop games"
},
"Ralph H. Baer": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Video games"
},
"Roberta Williams": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Video games"
},
"Richard Avedon": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Photographers"
},
"Robert Frank": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Photographers"
},
"Ron Galella": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Photographers"
},
"Robert Mapplethorpe": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Photographers"
},
"Richard Prince": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Photographers"
},
"Ray Johnson": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Contemporary art: General"
},
"Ramkinkar Baij": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Indian"
},
"Raja Ravi Varma": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Indian"
},
"R. C. Gorman": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Native American"
},
"Reza Abbasi": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Persian"
},
"Rutebeuf": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Medieval and Renaissance"
},
"Ruggero Leoncavallo": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Romantic"
},
"Radu Lupu": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Pianists"
},
"Rudolf Serkin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Pianists"
},
"Régine Crespin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Singers"
},
"Renée Fleming": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Singers"
},
"Rosa Ponselle": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Singers"
},
"Renata Tebaldi": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Singers"
},
"Romanos the Melodist": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Byzantine"
},
"Raihan": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Nasheed"
},
"Rubén Blades": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Jazz and related genres"
},
"Rick Astley": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Popular music: General"
},
"Rihanna": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Popular music: General"
},
"Robbie Williams": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Popular music: General"
},
"Roy Acuff": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Country"
},
"Rachid Taha": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Arabic"
},
"Rammstein": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "German"
},
"Rhoma Irama": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Indonesian"
},
"Rossa (singer)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Indonesian"
},
"Ros Serey Sothea": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Khmer"
},
"Rain (entertainer)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Korean_2"
},
"Red Velvet (group)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Korean_2"
},
"Roberto Carlos (singer)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Portuguese"
},
"Ricardo Arjona": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Spanish"
},
"Rocío Jurado": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Spanish"
},
"Ricky Martin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Spanish"
},
"Raphael (singer)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Spanish"
},
"Rodrigo (musician)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Spanish"
},
"Regine Velasquez": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Tagalog and other Filipino languages"
},
"Rick James": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Blues, R\u0026amp;B, Funk, Zydeco and Soul"
},
"R. Kelly": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Blues, R\u0026amp;B, Funk, Zydeco and Soul"
},
"Ringo Starr": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock: General"
},
"Roy Orbison": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock: General"
},
"Roger Waters": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock: General"
},
"Rod Stewart": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock: General"
},
"Rush (band)": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock: General"
},
"Ricky Nelson": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock and roll"
},
"Ritchie Valens": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Rock and roll"
},
"R.E.M.": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Alternative rock"
},
"Radiohead": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Alternative rock"
},
"Red Hot Chili Peppers": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Alternative rock"
},
"Ronnie James Dio": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Heavy metal and hard rock"
},
"Robert Plant": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Heavy metal and hard rock"
},
"Ramones": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Punk and related genres"
},
"Rick Rubin": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Music producers, songwriters and businesspeople"
},
"Russell Simmons": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Music producers, songwriters and businesspeople"
},
"Raichand Boral": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Musical theatre and film"
},
"Robert Lopez": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Musical theatre and film"
},
"Richard Rodgers": {
"level": 5,
"topic": "People",
"sublist": "Artists, musicians, and composers",
"section": "Musical theatre and film"
},
"Richard Burbage": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Richard Burton": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Richard Griffiths": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Rex Harrison": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Raul Julia": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Ralph Richardson": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage"
},
"Ramsey Nouah": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Africa"
},
"Ryan Gosling": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Canada"
},
"Ryan Reynolds": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Canada"
},
"Ricardo Montalbán": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Latin America"
},
"Richard Barthelmess": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Red Buttons": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Robert Downey Jr.": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Richard Dreyfuss": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Robert Duvall": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Robert Englund": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Rock Hudson": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Ray Milland": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Robert Mitchum": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Ramon Novarro": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Ryan O'Neal": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Robert Redford": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Randolph Scott": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Rod Steiger": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States"
},
"Rano Karno": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General"
},
"Robin Padilla": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General"
},
"Ranbir Kapoor": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India"
},
"Rajesh Khanna": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India"
},
"Ranveer Singh": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India"
},
"Rentarō Mikuni": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Japan"
},
"Richard Harris": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe: General"
},
"Rutger Hauer": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe: General"
},
"Ronald Colman": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Robert Donat": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Roddy McDowall": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Roger Moore": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Robert Pattinson": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Robert Shaw": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom"
},
"Russell Crowe": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Oceania"
},
"Raymond Burr": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Richard Chamberlain": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Robert Guillaume": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Ray Meagher": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Roy Rogers": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Robert Wagner": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Robert Young (actor)": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television"
},
"Rachel Félix": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage_2"
},
"Rachel McAdams": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Canada_2"
},
"Rita Moreno": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Latin America_2"
},
"Ruby Dee": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Ruth Gordon": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Rosalind Russell": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Raquel Welch": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Reese Witherspoon": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Renée Zellweger": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_2"
},
"Roohangiz Saminejad": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General_2"
},
"Rakhee Gulzar": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_2"
},
"Rani Mukerji": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_2"
},
"Radhika Pandit": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_2"
},
"Rekha": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_2"
},
"Revathi": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_2"
},
"Ruan Lingyu": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Sinophone world_2"
},
"Romy Schneider": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe: General_2"
},
"Rachel Weisz": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom_2"
},
"Regina King": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television_2"
},
"Rose McGowan": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Television_2"
},
"Robert Joffrey": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Ballet"
},
"Roland Petit": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Ballet"
},
"Ram Gopal (dancer)": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Other dance"
},
"Rudolf von Laban": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Other dance"
},
"Ruth St. Denis": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Other dance"
},
"Russell Peters": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Canada_3"
},
"Ronald Golias": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Latin America_3"
},
"Ramón Valdés": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Latin America_3"
},
"Roscoe Arbuckle": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Roseanne Barr": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Rodney Dangerfield": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Redd Foxx": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Red Skelton": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Robin Williams": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_3"
},
"Rowan Atkinson": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe_3"
},
"Ronnie Barker": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe_3"
},
"Ronnie Corbett": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe_3"
},
"Ricky Gervais": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe_3"
},
"Richard Tarlton": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe_3"
},
"Rosie O'Donnell": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_4"
},
"Regis Philbin": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_4"
},
"RuPaul": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_4"
},
"Ryan Seacrest": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_4"
},
"Raffaella Carrà": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Other Europe"
},
"Rabi Lamichhane": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia_4"
},
"Ron Jeremy": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Adult"
},
"Rocco Siffredi": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Adult"
},
"Ringling brothers": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Circus"
},
"Ricky Jay": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Magicians"
},
"Ric Flair": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Professional wrestling"
},
"Roddy Piper": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Professional wrestling"
},
"Rikidōzan": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Professional wrestling"
},
"Randy Savage": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Professional wrestling"
},
"Rossa Matilda Richter": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stunt performers and pranksters"
},
"Rob Paulsen": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Voice actors, radio announcers and narrators"
},
"Ryan Higa": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Web entertainers and internet personalities"
},
"Ray William Johnson": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Web entertainers and internet personalities"
},
"Rodolphe Salis": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Other"
},
"Ralph Bakshi": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Animators and puppeteers"
},
"Rudolf Bing": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage_3"
},
"Roger L. Stevens": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Stage_3"
},
"Robert Aldrich": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Robert Altman": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Roger Corman": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Robert J. Flaherty": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Ron Howard": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Richard Linklater": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Russ Meyer": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Rob Reiner": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Russo brothers": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Raoul Walsh": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Robert Wise": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Robert Zemeckis": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United States_5"
},
"Rakhshān Banietemad": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General_3"
},
"Rithy Panh": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General_3"
},
"Rattana Pestonji": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Asia: General_3"
},
"Ritwik Ghatak": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_3"
},
"Rajkumar Hirani": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_3"
},
"R. Nataraja Mudaliar": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_3"
},
"Rakesh Roshan": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_3"
},
"Rajkumar Santoshi": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "India_3"
},
"Ringo Lam": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Sinophone world_3"
},
"Rainer Werner Fassbinder": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Europe: General_3"
},
"René Clair": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "France_3"
},
"Roger Vadim": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "France_3"
},
"Roberto Benigni": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Italy_3"
},
"Roberto Rossellini": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Italy_3"
},
"Richard Attenborough": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom_3"
},
"Ridley Scott": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "United Kingdom_3"
},
"Roy O. Disney": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Producers and executives"
},
"Robert Evans": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Producers and executives"
},
"Ricky Lee": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Screenwriters"
},
"Raoul Coutard": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Cinematographers"
},
"Roger Deakins": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Cinematographers"
},
"Ryan Murphy (producer)": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Showrunners, television writers and producers"
},
"Rod Serling": {
"level": 5,
"topic": "People",
"sublist": "Entertainers, directors, producers, and screenwriters",
"section": "Showrunners, television writers and producers"
},
"Roger de Flor": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Eastern Europe"
},
"Rashid ad-Din Sinan": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Muslim World"
},
"Richard Neville, 16th Earl of Warwick": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Western Europe"
},
"Robert, 1st Earl of Gloucester": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Western Europe"
},
"Roger of Lauria": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Western Europe"
},
"Roland": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Western Europe"
},
"Robert Blake (admiral)": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Britain"
},
"Raimondo Montecuccoli": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "German states, HRE, Prussia, Austria"
},
"Rabih az-Zubayr": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Africa_2"
},
"Robert E. Lee": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_2"
},
"Red Cloud": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_2"
},
"Raymond A. Spruance": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_2"
},
"Radomir Putnik": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe: General_2"
},
"Roland Garros (aviator)": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "France_2"
},
"Raoul Salan": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "France_2"
},
"Robert Ritter von Greim": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Germany"
},
"Rigas Feraios": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Southern Europe"
},
"Rigoberta Menchú": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Latin America"
},
"Raoni Metuktire": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Latin America"
},
"Ralph Abernathy": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_4"
},
"Ruby Bridges": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_4"
},
"Russell Means": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_4"
},
"Ralph Nader": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "United States_4"
},
"Roger Casement": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Richard von Coudenhove-Kalergi": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Rudi Dutschke": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Richard Mulcahy": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Robert Owen": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Ravachol": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Raoul Wallenberg": {
"level": 5,
"topic": "People",
"sublist": "Military personnel, revolutionaries, and activists",
"section": "Europe_4"
},
"Roman Abramovich": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Banking, finance and trade"
},
"Reed Hastings": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Computing and information technology"
},
"Robert Bosch": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Electronics"
},
"Ren Zhengfei": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Electronics"
},
"Rockefeller family": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Energy"
},
"Ray Kroc": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Food and drink"
},
"Richard and Maurice McDonald": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Food and drink"
},
"Roger Ailes": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Media and communication"
},
"Richard Branson": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Multiple industries"
},
"Ratan Tata": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Multiple industries"
},
"Rebiya Kadeer": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Real estate, property, and hotels"
},
"Ruth Handler": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Recreation and fashion"
},
"Roy Raymond": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Recreation and fashion"
},
"Rowland Hussey Macy": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Retail"
},
"Richard Warren Sears": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Retail"
},
"Russell Sage": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Transport"
},
"Richard Fitzalan, 3rd Earl of Arundel": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Other"
},
"René-Robert Cavelier, Sieur de La Salle": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Early modern"
},
"Robert Gray (sea captain)": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Early modern"
},
"Richard Hawkins": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Early modern"
},
"Robert O'Hara Burke": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Richard Francis Burton": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Richard E. Byrd": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"René Caillié": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Ranulph Fiennes": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Robin Knox-Johnston": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Robert Peary": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Modern"
},
"Roberta Bondar": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Space travelers"
},
"Ronald Evans (astronaut)": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Space travelers"
},
"Richard F. Gordon Jr.": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Space travelers"
},
"Red Adair": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Law enforcement and fire service"
},
"Robert Mueller": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Law enforcement and fire service"
},
"Ronald Noble": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Law enforcement and fire service"
},
"Roger Rogerson": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Law enforcement and fire service"
},
"Ramón Mercader": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Assassination"
},
"Reinhard Heydrich": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Crimes against humanity"
},
"Rudolf Höss": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Crimes against humanity"
},
"Ratko Mladić": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Crimes against humanity"
},
"Robert Tappan Morris": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Computer crimes"
},
"Ross Ulbricht": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Computer crimes"
},
"Robert Hanssen": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Espionage"
},
"Richard Sorge": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Espionage"
},
"Richard Kuklinski": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Murder, serial killing, mass murder"
},
"Richard Ramirez": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Murder, serial killing, mass murder"
},
"Raymond Washington": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Organized crime"
},
"Ronnie Biggs": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Thievery, robbery and hijacking"
},
"Rodney King": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Victims"
},
"Robert Mondavi": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Chefs, bartenders and winemakers"
},
"Robert Rayford": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Case studies"
},
"Robert Wadlow": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Case studies"
},
"Ryan White": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Case studies"
},
"Rick Baker": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Cosmetics people"
},
"Robert Dudley, 1st Earl of Leicester": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Socialites and favorites"
},
"Robert Atkins (physician)": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Fad diets"
},
"Richard Bandler": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Other_2"
},
"Robert Ettinger": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Other_2"
},
"Rowland Hill": {
"level": 5,
"topic": "People",
"sublist": "Miscellaneous",
"section": "Other_3"
},
"Roger Bacon": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Post-classical"
},
"Robert Grosseteste": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Post-classical"
},
"Ramon Llull": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Post-classical"
},
"Ronald Dworkin": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas"
},
"Rebecca Goldstein": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas"
},
"Robert Nozick": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas"
},
"Robert M. Pirsig": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas"
},
"Richard Rorty": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas"
},
"Raymond Aron": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"Rudolf Carnap": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"R. G. Collingwood": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"Rudolf Christoph Eucken": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"R. M. Hare": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"Roger Scruton": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe"
},
"Rashid al-Din Hamadani": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Post-classical_2"
},
"Randolph L. Braham": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Robert Caro": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Ron Chernow": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Robert Fogel": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Richard Hofstadter": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Robert Paxton": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Richard Wolin": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_2"
},
"Robert Conquest": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_2"
},
"Richard J. Evans": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_2"
},
"R. H. Tawney": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_2"
},
"Robert F. Engle": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Robert Lucas Jr.": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Robert C. Merton": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Robert Mundell": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Roger Myerson": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Robert J. Shiller": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Robert Solow": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Richard Thaler": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_3"
},
"Raghuram Rajan": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Asia_3"
},
"Richard Cantillon": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_3"
},
"Ronald Coase": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_3"
},
"Ragnar Frisch": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_3"
},
"Reinhard Selten": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_3"
},
"Richard Stone": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_3"
},
"Robert D. Putnam": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_4"
},
"Ray Jackendoff": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_5"
},
"Roman Jakobson": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_5"
},
"Rasmus Rask": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_5"
},
"Robert M. W. Dixon": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Oceania_4"
},
"Robert K. Merton": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_6"
},
"Robert E. Park": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_6"
},
"Ralf Dahrendorf": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_6"
},
"Raymond Williams": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_6"
},
"Richard Leakey": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Africa_6"
},
"Robert Ballard": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_7"
},
"Ruth Benedict": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_7"
},
"Richard Borshay Lee": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_7"
},
"Ralph Linton": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_7"
},
"Robert Lowie": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_7"
},
"René Girard": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_8"
},
"Rufus Wilmot Griswold": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_8"
},
"Roland Barthes": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_8"
},
"Roger Fry": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_8"
},
"Roberto Longhi": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_8"
},
"Richard Bentley": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Classicists"
},
"Richard Porson": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Classicists"
},
"Ronald Syme": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Classicists"
},
"Rudolf Kjellén": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Human geographers and cartographers"
},
"Robert Bork": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Ruth Bader Ginsburg": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Raphael Lemkin": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Robert R. Livingston": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Richard Posner": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Robert Joseph Pothier": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Roger B. Taney": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_10"
},
"Radhabinod Pal": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Asia_10"
},
"René Cassin": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_10"
},
"Roland Freisler": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_10"
},
"Rudolf von Gneist": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_10"
},
"Robert Cialdini": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Public relations, marketing and advertising theorists"
},
"Richard von Krafft-Ebing": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Sexologists"
},
"Ray Kurzweil": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Other social sciences"
},
"Robert M. Gagné": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_11"
},
"Rollo May": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_11"
},
"Robert Plomin": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_11"
},
"Robert Sternberg": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Americas_11"
},
"R. D. Laing": {
"level": 5,
"topic": "People",
"sublist": "Philosophers, historians, political and social scientists",
"section": "Europe_11"
},
"Ramesses VI": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Second Intermediate to New Kingdom"
},
"Romulus": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Roman Kingdom"
},
"Romulus Augustulus": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Post-division, West"
},
"Rajendra I": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Tamilakam"
},
"Rashidun": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Caliphates"
},
"Rurik": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Russia and Ukraine"
},
"Richard II of England": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Monarchs of England"
},
"Richard III of England": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Monarchs of England"
},
"Ruaidrí Ua Conchobair": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Ireland"
},
"Rollo": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "France"
},
"Robert II of France": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Capetian Monarchs of France"
},
"Rudolf I of Germany": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Interregnum"
},
"Ramiro II of León": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Iberia"
},
"Ramon Berenguer IV, Count of Barcelona": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Iberia"
},
"Robert Morris (financier)": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other"
},
"Ramathibodi III (Narai)": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Southeastern Asia_2"
},
"Rajah Sulayman": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Southeastern Asia_2"
},
"Rudolf II, Holy Roman Emperor": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Holy Roman Empire, Austria"
},
"Roi Mata": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Oceania"
},
"Ranavalona I": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Eastern Africa"
},
"Rutherford B. Hayes": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Presidents_2"
},
"Robert M. La Follette": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_4"
},
"R. B. Bennett": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Canada"
},
"Robert Borden": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Canada"
},
"Ricardo Jiménez Oreamuno": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Costa Rica"
},
"Rafael Carrera": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Guatemala"
},
"Roque Sáenz Peña": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Argentina"
},
"Ramón Freire": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Chile"
},
"Rafael Urdaneta": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Colombia"
},
"Rafael Núñez": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Colombia"
},
"Ramón Castilla": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Peru"
},
"Rama II": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Southeastern Asia_3"
},
"Ranjit Singh": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "India"
},
"Reza Shah": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Iran"
},
"Raymond Poincaré": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "France_3"
},
"Rudolf Hess": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Nazi Germany"
},
"Robert Jenkinson, 2nd Earl of Liverpool": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_2"
},
"Robert Gascoyne-Cecil, 3rd Marquess of Salisbury": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_2"
},
"Ramsay MacDonald": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_2"
},
"Robert Cecil, 1st Viscount Cecil of Chelwood": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_7"
},
"Richard Seddon": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "New Zealand"
},
"Ruth Williams Khama": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Botswana"
},
"René Lévesque": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_9"
},
"Richard J. Daley": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_10"
},
"Robert F. Kennedy": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_10"
},
"Robert McNamara": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_10"
},
"Ross Perot": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_10"
},
"Roberto D'Aubuisson": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "El Salvador_2"
},
"Ramón Villeda Morales": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Honduras_2"
},
"Ramón Grau": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Cuba_2"
},
"Raúl Castro": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Cuba_2"
},
"Reynaldo Bignone": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Argentina_2"
},
"Raúl Alfonsín": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Argentina_2"
},
"René Barrientos": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Bolivia_2"
},
"Ricardo Lagos": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Chile_2"
},
"Rodrigo Borja Cevallos": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Ecuador_2"
},
"Rafael Correa": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Ecuador_2"
},
"Rómulo Betancourt": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Venezuela_2"
},
"Raúl Leoni": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Venezuela_2"
},
"Rafael Caldera": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Venezuela_2"
},
"Roh Moo-hyun": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "S. Korea"
},
"Ramon Magsaysay": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Philippines"
},
"Rodrigo Duterte": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Philippines"
},
"Rajiv Gandhi": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_5"
},
"Rajendra Prasad": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_14"
},
"Ram Baran Yadav": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Nepal"
},
"Robert Kocharyan": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Armenia_2"
},
"Rauf Denktaş": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Cyprus and Northern Cyprus"
},
"Rafic Hariri": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Lebanon"
},
"Rashid Karami": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Lebanon"
},
"Riad Al Solh": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Lebanon"
},
"René Coty": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Presidents_4"
},
"Robert Schuman": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_17"
},
"Rainier III, Prince of Monaco": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Monaco_3"
},
"Ruud Lubbers": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Other_18"
},
"Rishi Sunak": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_7"
},
"Robert Fico": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Central Europe_2"
},
"Ramzan Kadyrov": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Chechnya"
},
"Radovan Karadžić": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Yugoslavia and successor states"
},
"Robert Menzies": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Prime Ministers_8"
},
"Robert Muldoon": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "New Zealand_2"
},
"Ralph Bunche": {
"level": 5,
"topic": "People",
"sublist": "Politicians and leaders",
"section": "Others"
},
"Rav Ashi": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Judaism"
},
"Robert Bellarmine": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Pre-1800"
},
"Richard Allen (bishop)": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Early modern"
},
"Roger Williams": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Early modern"
},
"Rowan Williams": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Modern_2"
},
"Rabia Basri": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Sufism"
},
"Raja Ram Mohan Roy": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Modern_3"
},
"Rupa Goswami": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Modern_3"
},
"Rajneesh": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Other_2"
},
"Raël": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Other_3"
},
"Rudolf Steiner": {
"level": 5,
"topic": "People",
"sublist": "Religious figures",
"section": "Other_3"
},
"Rudolf Clausius": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany, Austria and Switzerland"
},
"Rolf Maximilian Sievert": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Scandinavia"
},
"Richard E. Taylor": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Canada"
},
"Riccardo Giacconi": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Italy_3"
},
"Raymond Davis Jr.": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Roy J. Glauber": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Robert Hofstadter": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Russell Alan Hulse": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Robert B. Laughlin": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Robert Coleman Richardson": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Rainer Weiss": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_2"
},
"Rudolf Mössbauer": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany, Austria and Switzerland_3"
},
"Reinhard Genzel": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany and Switzerland"
},
"Robert Woodrow Wilson": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_5"
},
"Roger Joseph Boscovich": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Eastern Europe"
},
"Robert Bunsen": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany, Austria and Switzerland_4"
},
"Robert S. Mulliken": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States of America and Canada"
},
"René Antoine Ferchault de Réaumur": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "France_7"
},
"Rudolf Leuckart": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany, Austria and Switzerland_5"
},
"Robert Brown (botanist, born 1773)": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Great Britain"
},
"Richard Dawkins": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Great Britain"
},
"Richard Owen": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Great Britain"
},
"Rita Levi-Montalcini": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Italy_8"
},
"Robin Wall Kimmerer": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "North America"
},
"Robert Trivers": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "North America"
},
"Robert Whittaker (ecologist)": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "North America"
},
"Robert Gallo": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "France and Belgium_3"
},
"René Laennec": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "France and Belgium_3"
},
"Robert A. Kehoe": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Americas_2"
},
"Robert Lustig": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Americas_2"
},
"Rosalyn Sussman Yalow": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Americas_2"
},
"Richard Doll": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United Kingdom and Ireland_6"
},
"Robert Knox (surgeon)": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United Kingdom and Ireland_6"
},
"Robert FitzRoy": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United Kingdom and Ireland_7"
},
"Roderick Murchison": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United Kingdom and Ireland_7"
},
"Richard Arkwright": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United Kingdom_3"
},
"Roger Béteille": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "France_13"
},
"Robert Esnault-Pelterie": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "France_13"
},
"Reginald Fessenden": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_7"
},
"Richard Jordan Gatling": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "United States_7"
},
"Richard Dedekind": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Germany and Austria_3"
},
"Richard K. Guy": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Great Britain and Ireland_3"
},
"Roger Penrose": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Great Britain and Ireland_3"
},
"Radhanath Sikdar": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "India_5"
},
"Richard E. Bellman": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "North America_4"
},
"Robert Langlands": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "North America_4"
},
"Robert Aumann": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Western Asia_3"
},
"Ray Tomlinson": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Computer scientists and programmers"
},
"Robert Kahn (computer scientist)": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Computer scientists and programmers"
},
"Richard M. Karp": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Computer scientists and programmers"
},
"Roger Sisson": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Computer scientists and programmers"
},
"Richard Stallman": {
"level": 5,
"topic": "People",
"sublist": "Scientists, inventors, and mathematicians",
"section": "Computer scientists and programmers"
},
"Roberto Baggio": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "European"
},
"Robert Lewandowski": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "European"
},
"Roger Milla": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Others"
},
"Romário": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Others"
},
"Ryan Giggs": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "European_2"
},
"Roy Keane": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "European_2"
},
"Ronaldinho": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Others_2"
},
"Roberto Carlos": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Defenders"
},
"Ruud Gullit": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Defenders"
},
"Rick Barry": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Forwards_2"
},
"Ramon Fernandez": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Non-U.S. men"
},
"Rogers Hornsby": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "United States"
},
"Rickey Henderson": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "United States_2"
},
"Roberto Clemente": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Others_4"
},
"Roger Clemens": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "United States_3"
},
"Randy Johnson": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "United States_3"
},
"Rahul Dravid": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Batters"
},
"Ricky Ponting": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Batters"
},
"Ranjitsinhji": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Batters"
},
"Richard Hadlee": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "All-rounders"
},
"Ray Bourque": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Defense"
},
"Red Grange": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Running backs"
},
"Reggie White": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Linemen"
},
"Ray Lewis": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Linebackers and defensive backs"
},
"Ronnie Lott": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Linebackers and defensive backs"
},
"Richie McCaw": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Rugby union"
},
"Ron Barassi": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Australian rules football"
},
"Rechelle Hawkes": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Field hockey"
},
"Rakesh Kumar (kabaddi)": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Kabaddi"
},
"Regla Torres": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Volleyball"
},
"Roy Emerson": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men"
},
"René Lacoste": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men"
},
"Rafael Nadal": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men"
},
"Richard Sears (tennis)": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men"
},
"Renée Richards": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Women_2"
},
"Rory McIlroy": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men_2"
},
"Rafer Johnson": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Combined"
},
"Roger Bannister": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Running and race walking"
},
"Robert Korzeniowski": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Running and race walking"
},
"Randy Barnes": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Throwing"
},
"Robin Cousins": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Men_3"
},
"Roberto Durán": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Boxing"
},
"Rocky Marciano": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Boxing"
},
"Ryoko Tani": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Judo"
},
"Randy Couture": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Mixed martial arts"
},
"Royce Gracie": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Mixed martial arts"
},
"Ronda Rousey": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Mixed martial arts"
},
"Rachel Atherton": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Mountain biking"
},
"Richard Petty": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Stock"
},
"Ricky Carmichael": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Motorcycle"
},
"Ryan Lochte": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Swimming"
},
"Roland Matthes": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Swimming"
},
"Reinhold Messner": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Climbing and mountaineering"
},
"Reiner Klimke": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Equestrianism, horse racing, and rodeo"
},
"Ralf Schumann": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Shooting"
},
"Rodney Mullen": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Skateboarding"
},
"Raymond Ceulemans": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Cue sports"
},
"Ralph Greenleaf": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Cue sports"
},
"Ronnie O'Sullivan": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Cue sports"
},
"Rudy Hartono": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Badminton"
},
"Ronnie Coleman": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Bodybuilding"
},
"Richard Simmons": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Exercise"
},
"Robert Guérin": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Association football_2"
},
"Rinus Michels": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Association football_2"
},
"Red Auerbach": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Basketball_2"
},
"Ross Brawn": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Racing"
},
"Ratko Rudić": {
"level": 5,
"topic": "People",
"sublist": "Sports figures",
"section": "Water polo_2"
},
"Raymond Carver": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Robert W. Chambers": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Ralph Ellison": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Roxane Gay": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Robert E. Howard": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Robert Ludlum": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Ross Macdonald": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Richard Peck (writer)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Richard Price (writer)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Rick Riordan": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"R. L. Stine": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Rex Stout": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Rebecca Walker": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Richard Wright (author)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Richard Yates (novelist)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada"
},
"Roberto Bolaño": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America"
},
"Ricardo Güiraldes": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America"
},
"Raul Pompeia": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America"
},
"Rachel de Queiroz": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America"
},
"Ri Ki-yong": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Eastern Asia"
},
"Ryōtarō Shiba": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Eastern Asia"
},
"R. K. Narayan": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Southern Asia"
},
"Raja Rao": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Southern Asia"
},
"René Belbenoît": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_2"
},
"Roger Martin du Gard": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_2"
},
"Robert Pinget": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_2"
},
"Raymond Queneau": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_2"
},
"Robert Musil": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Germany and Austria"
},
"Richard Aldington": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland"
},
"Roddy Doyle": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland"
},
"Roger Hargreaves": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland"
},
"Ruth Prawer Jhabvala": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland"
},
"Rebecca West": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland"
},
"Richard Flanagan": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Australia"
},
"Ruth Park": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Australia"
},
"Robert Henryson": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Europe_5"
},
"Ramprasad Sen": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Asia_6"
},
"Richard Crashaw": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Great Britain and Ireland_2"
},
"Robert Fergusson": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Great Britain and Ireland_2"
},
"Robert Herrick (poet)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Great Britain and Ireland_2"
},
"Robert Southwell (priest)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Great Britain and Ireland_2"
},
"Rae Armantrout": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Robert Duncan (poet)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Rupi Kaur": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Robert Lowell": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Robin Morgan": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Robert Penn Warren": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "US and Canada_2"
},
"Raimundo Correia": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America_2"
},
"Rubén Darío": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Latin America_2"
},
"René Char": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_4"
},
"Robert Desnos": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "France_4"
},
"Rasul Gamzatov": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Russia_2"
},
"Robert Bridges": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland_2"
},
"Rupert Brooke": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland_2"
},
"Robert Browning": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland_2"
},
"Robert Graves": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland_2"
},
"Robert Southey": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "UK and Ireland_2"
},
"Robert E. Sherwood": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "America_2"
},
"Romain Rolland": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Europe_8"
},
"R. C. Sherriff": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Europe_8"
},
"René Goscinny": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Comics writers and graphic novelists"
},
"Richard Genée": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Librettists"
},
"Renato Simoni": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Librettists"
},
"Ronan Farrow": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Journalists: General"
},
"Robert Fisk": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Journalists: General"
},
"Ryszard Kapuściński": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Journalists: General"
},
"Robert Novak": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Journalists: General"
},
"Randy Shilts": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Journalists: General"
},
"Rush Limbaugh": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Broadcast journalists, presenters and commentators"
},
"Rachel Maddow": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Broadcast journalists, presenters and commentators"
},
"Richard Blackwell": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Robert Christgau": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Roger Ebert": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Ralph J. Gleason": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Robert Hughes (critic)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Robert Parker (wine critic)": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Rex Reed": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Richard Roeper": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Critics"
},
"Robert Capa": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Photojournalists"
},
"Robert Doisneau": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Photojournalists"
},
"Rudolf Augstein": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Publishers and editors"
},
"Rebekah Brooks": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Publishers and editors"
},
"Roberto Noble": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Publishers and editors"
},
"Richard Steele": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Publishers and editors"
},
"Richie Benaud": {
"level": 5,
"topic": "People",
"sublist": "Writers and journalists",
"section": "Sports journalists, sportswriters, commentators and sports announcers"
},
"Religious philosophy": {
"level": 5,
"topic": "Philosophy and religion",
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},
"Rule utilitarianism": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Approaches"
},
"Rationality": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_2"
},
"Relationship between science and religion": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Basics_2"
},
"Religious studies": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Basics_2"
},
"Religious text": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Basics_2"
},
"Religious violence": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Basics_2"
},
"Religious violence in India": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Basics_2"
},
"Religious ecstasy": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Revelation": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Rite of passage": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Retreat (spiritual)": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices"
},
"Religious denomination": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Institutions"
},
"Russell's teapot": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Non-theistic philosophies"
},
"Repentance": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Common concepts"
},
"Rapture": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Theology"
},
"Resurrection of Jesus": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Theology"
},
"Restorationism": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Theology"
},
"Roman Curia": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Catholic Church"
},
"Rosary": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices_2"
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"Rule of Saint Benedict": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Practices_2"
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"Rabbinic Judaism": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Judaism"
},
"Right Ginza": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Mandaeism"
},
"Rigveda": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Texts_2"
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"Rinzai school": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Traditions"
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"Rebirth (Buddhism)": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_5"
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"Rūpa": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_5"
},
"Refuge in Buddhism": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_5"
},
"Rigpa": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_5"
},
"Rainbow body": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Concepts_5"
},
"Roman festivals": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Ancient religions"
},
"Rosicrucianism": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Western esotericism"
},
"Ragnarök": {
"level": 5,
"topic": "Philosophy and religion",
"section": "By culture and religion"
},
"Rebecca (biblical figure)": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Jewish, Christian, Islamic, and Gnostic figures"
},
"Rachel": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Jewish, Christian, Islamic, and Gnostic figures"
},
"Ruth (biblical figure)": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Jewish, Christian, Islamic, and Gnostic figures"
},
"Ragnar Lodbrok": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Germanic and Norse mythology"
},
"Romulus and Remus": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Roman deities and mythological people"
},
"Radha": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Hindu mythology"
},
"Rishabhanatha": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Jainist mythology"
},
"Raijin": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Shinto mythology"
},
"Rainbow Serpent": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Other mythologies"
},
"Raphael (archangel)": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Legendary creatures"
},
"Rakshasa": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Legendary creatures"
},
"Ravana": {
"level": 5,
"topic": "Philosophy and religion",
"section": "Legendary creatures"
},
"Radial velocity": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Basics"
},
"Recessional velocity": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Basics"
},
"Radio astronomy": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Radio astronomy"
},
"Radio spectrum pollution": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Radio astronomy"
},
"Rings of Jupiter": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Outer Solar System"
},
"Rings of Saturn": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Outer Solar System"
},
"Rhea (moon)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Outer Solar System"
},
"Rings of Uranus": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Outer Solar System"
},
"Rings of Neptune": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Outer Solar System"
},
"Regulus": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stars"
},
"Rho Ophiuchi cloud complex": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Nebulae"
},
"Rosette Nebula": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Nebulae"
},
"R136": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Satellite galaxies of the Milky Way"
},
"Roche limit": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Celestial mechanics"
},
"Right ascension": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Celestial sphere: General"
},
"Reticulum": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Other"
},
"Rogue planet": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Planetary science"
},
"Rare Earth hypothesis": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Planetary science"
},
"Roche lobe": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar astronomy"
},
"Radio-quiet neutron star": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar astronomy"
},
"Red-giant branch": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar astronomy"
},
"R-process": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar astronomy"
},
"Radiative zone": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar astronomy"
},
"Red dwarf": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar classification"
},
"Red supergiant": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Stellar classification"
},
"RR Lyrae variable": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Variable star"
},
"Reflection nebula": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Basics_2"
},
"Ring galaxy": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Galaxy classification"
},
"Recombination (cosmology)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Physical cosmology"
},
"Reionization": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Astronomy",
"section": "Physical cosmology"
},
"Reproducibility": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Science basics"
},
"Replication crisis": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Science basics"
},
"Rod (unit)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "English"
},
"Reyn": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Viscosity"
},
"Radian per second": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Angular velocity"
},
"Revolutions per minute": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Angular velocity"
},
"Relative density": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Ratio"
},
"Rankine scale": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Temperature"
},
"Roentgen (unit)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Exposure"
},
"Rad (radiation unit)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Basics and measurement",
"section": "Absorbed dose"
},
"Regulation of chemicals": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Basics: General"
},
"Relative atomic mass": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Periodic table"
},
"Reactivity (chemistry)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Reaction"
},
"Reagent": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Reaction"
},
"Ribbon diagram": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Substance"
},
"Rutherfordium": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Group 4"
},
"Roentgenium": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Group 11"
},
"Rare-earth element": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Lanthanides"
},
"Rare-earth barium copper oxide": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Ceramic compounds"
},
"Resin": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Terpenes and terpenoids"
},
"Rosin": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Terpenes and terpenoids"
},
"Radioanalytical chemistry": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Basics_2"
},
"Redox indicator": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Chemical methods"
},
"Raman spectroscopy": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Spectroscopy"
},
"Reaction intermediate": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Basics_3"
},
"Reversible reaction": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Basics_3"
},
"Radical polymerization": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Organic reactions"
},
"Ring-opening polymerization": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Organic reactions"
},
"Rearrangement reaction": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Organic reactions"
},
"Reducing agent": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Redox reactions"
},
"Rust": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Redox reactions"
},
"Retrosynthetic analysis": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Synthetic strategies"
},
"Random column packing": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Distillation"
},
"Reverse osmosis": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Other separations"
},
"Recrystallization (chemistry)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Other separations"
},
"Resonance (chemistry)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Bond structure"
},
"Reduction potential": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Electrochemistry"
},
"Reactivity series": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Electrochemistry"
},
"Rate equation": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Kinetics"
},
"Rate-determining step": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Kinetics"
},
"Reaction rate": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Kinetics"
},
"Reaction rate constant": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Kinetics"
},
"Reaction coordinate": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Kinetics"
},
"Racemic mixture": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Stereochemistry"
},
"Racemization": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Stereochemistry"
},
"Rotamer": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Stereochemistry"
},
"Ring flip": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Stereochemistry"
},
"Reaction quotient": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Chemistry",
"section": "Thermodynamics"
},
"Riparian zone": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Wetlands"
},
"River ecosystem": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Freshwater biomes"
},
"Rain and snow mixed": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Precipitation"
},
"Rain shadow": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Precipitation"
},
"Radiative forcing": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Climate change"
},
"Remineralisation": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochemistry"
},
"Radium and radon in the environment": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochemistry"
},
"Recrystallization (geology)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochemistry"
},
"Richter scale": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Seismology"
},
"Radiometric dating": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochronology"
},
"Rubidium–strontium dating": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochronology"
},
"Relative dating": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geochronology"
},
"Rodinia": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Paleogeography"
},
"Rheic Ocean": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Paleogeography"
},
"Rhodochrosite": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Minerals"
},
"Rutile": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Minerals"
},
"Realgar": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Minerals"
},
"Rhyolite": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Igneous rocks"
},
"Ripple marks": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Sedimentology"
},
"Roundness (geology)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Sedimentology"
},
"Regolith": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Sedimentology"
},
"Rift": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Tectonics"
},
"Rockslide": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Geomorphology: General"
},
"Rift valley": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Landforms: General"
},
"River morphology": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Fluvial landforms"
},
"Ravine": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Fluvial landforms"
},
"Ridge": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Montane landforms"
},
"River island": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Oceanic and coastal landforms"
},
"Reef": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Oceanic and coastal landforms"
},
"Rip current": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Oceanography"
},
"Rogue wave": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Oceanography"
},
"Rift lake": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "Lakes"
},
"River mouth": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "River"
},
"River source": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Earth science",
"section": "River"
},
"Renormalization": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Physics basics: General"
},
"Rutherford model": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Atomic physics"
},
"Rydberg constant": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Energy levels and spectral lines"
},
"Rydberg formula": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Energy levels and spectral lines"
},
"Rigid rotor": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Molecular physics"
},
"Rotational–vibrational spectroscopy": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Molecular physics"
},
"Rotational spectroscopy": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Molecular physics"
},
"RGB color spaces": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Basics"
},
"RGBA color model": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Basics"
},
"RYB color model": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Basics"
},
"Rose (color)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Specific colors"
},
"Ruby (color)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Specific colors"
},
"Rock magnetism": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electric and magnetic properties of materials"
},
"Reciprocal lattice": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Crystallography"
},
"Retarded time": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electrodynamics"
},
"Right-hand rule": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electrodynamics"
},
"Radiative transfer": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electromagnetic radiation"
},
"Radiant flux": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electromagnetic radiation"
},
"Radiance": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electromagnetic radiation"
},
"Radiometry": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Electromagnetic radiation"
},
"Rotation operator (quantum mechanics)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Quantum mechanics"
},
"Relativistic quantum mechanics": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Quantum mechanics"
},
"Rapidity": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Theory of relativity"
},
"Relativity of simultaneity": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Theory of relativity"
},
"Resultant force": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Restoring force": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Rolling resistance": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Relative velocity": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Reduced mass": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Radiation pressure": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Reaction (physics)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Rolling": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Classical mechanics"
},
"Rayleigh problem": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Fluid mechanics"
},
"Rheology": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Fluid mechanics"
},
"Rigid body": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Solid mechanics"
},
"Rigid body dynamics": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Solid mechanics"
},
"Radioactive source": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Radioactivity"
},
"Relativistic Heavy Ion Collider": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Particle accelerators"
},
"Rankine cycle": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Thermodynamics"
},
"Redlich–Kwong equation of state": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Thermodynamics"
},
"Reversible process (thermodynamics)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Thermodynamics"
},
"Relativistic Doppler effect": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Waves"
},
"Radio frequency": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Waves"
},
"Ray (optics)": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Optics"
},
"Reflection coefficient": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Optics"
},
"Rayleigh scattering": {
"level": 5,
"topic": "Physical sciences",
"sublist": "Physics",
"section": "Optics"
},
"Rumor": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Communication"
},
"Rave": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Festivals, holidays, and observances"
},
"Remembrance Day": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Specific holidays and festivals"
},
"Research library": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Education: General"
},
"Royal Library, Denmark": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Europe"
},
"Russian State Library": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Europe"
},
"RWTH Aachen University": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "TU9"
},
"Russian Academy of Sciences": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Russia"
},
"Ryukyuans": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Asia_3"
},
"Reduplication": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Grammar"
},
"Rhotic consonant": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Phonetics"
},
"Register (sociolinguistics)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Sociolinguistics"
},
"Reference": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Theoretical linguistics"
},
"Romanization": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Alphabets and writing systems"
},
"Romanization of Arabic": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Alphabets and writing systems"
},
"Romanization of Chinese": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Alphabets and writing systems"
},
"Romanization of Japanese": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Alphabets and writing systems"
},
"Rongorongo": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Alphabets and writing systems"
},
"Romani language": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Indo-Aryan languages"
},
"Regional Italian": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Romance languages"
},
"Romansh language": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Romance languages"
},
"Rwanda-Rundi": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Niger–Congo languages"
},
"Rhoticity in English": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "The English language"
},
"Rhyming slang": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "The English language"
},
"Received Pronunciation": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "The English language"
},
"Reader's Digest": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Specific magazines"
},
"Rolling Stone": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Specific magazines"
},
"Reuters": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "News agencies"
},
"RIA Novosti": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "News agencies"
},
"Radio program": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Radio"
},
"Radio network": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Radio"
},
"Radio personality": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Radio"
},
"Radio drama": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Genres"
},
"RTHK": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Networks"
},
"Russia-1": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Russian TV networks"
},
"RT (TV network)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Culture",
"section": "Russian TV networks"
},
"Reserve currency": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Currency"
},
"Russian ruble": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Specific currencies"
},
"Retail banking": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Banking and financing"
},
"Rate of return": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Banking and financing"
},
"Reinsurance": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Insurance"
},
"Real property": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Business: General"
},
"Real estate development": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Industry"
},
"Recruitment": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Employment"
},
"Résumé": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Employment"
},
"Remote work": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Employment"
},
"Revenue service": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Taxation"
},
"Receptionist": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Common trades and professions"
},
"RENGO": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Individual trade unions"
},
"Rational choice model": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Microeconomics"
},
"Rationing": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Microeconomics"
},
"Resource": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Microeconomics"
},
"Risk": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Microeconomics"
},
"Recession": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Macroeconomics"
},
"Renault": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Europe_2"
},
"RCA Records": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Film, television, video game, and music production"
},
"Rio Tinto (corporation)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Mining companies"
},
"Ryanair": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Europe_3"
},
"Renfe": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rail operators"
},
"Russian Railways": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rail operators"
},
"Rechtsstaat": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Basics"
},
"Restorative justice": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Dispute resolution"
},
"Repeal": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Statutory law"
},
"Resolution (law)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Statutory law"
},
"Right to health": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Right to education": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Right to property": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Reproductive rights": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Right of self-defense": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Right to a fair trial": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Rights"
},
"Roman law": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Europe_4"
},
"Regulation": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Administrative law"
},
"Regulatory agency": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Administrative law"
},
"Regulatory compliance": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Administrative law"
},
"Rulemaking": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Administrative law"
},
"Ratification": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Constitutional law"
},
"Royal prerogative": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Constitutional law"
},
"Revenge porn": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Crimes against the person"
},
"Relevance (law)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Legal procedure: General"
},
"Right to silence": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Criminal procedure"
},
"Royal charter": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Documents"
},
"Roe v. Wade": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "United States"
},
"RSPCA": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Non-governmental organizations"
},
"Reporters Without Borders": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Humanitarian organizations"
},
"Rashtriya Swayamsevak Sangh": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "National organizations"
},
"Royal Academy of Arts": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "National organizations"
},
"Royal Society": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "National organizations"
},
"Republican Party (United States)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "North America_2"
},
"Russian mafia": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Organized crime groups"
},
"Rollback": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Politics"
},
"Representative democracy": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Forms of government"
},
"Right-wing politics": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Ideology and political theory"
},
"Republicanism": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Ideology and political theory"
},
"Reactionary": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Ideology and political theory"
},
"Resource war": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Wars by type"
},
"Rebellion": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Wars by type"
},
"Ritual warfare": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Wars by type"
},
"Reconnaissance": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Warfare by type"
},
"Russian Armed Forces": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Politics and economics",
"section": "Specific militaries"
},
"Rationalization (psychology)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Concepts"
},
"Regret": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Emotions and traits"
},
"Remorse": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Interpersonal relations"
},
"Resentment": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Interpersonal relations"
},
"Revenge": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Interpersonal relations"
},
"Religious organization": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Groups"
},
"Rescue": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Services and institutions"
},
"Relative deprivation": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Issues"
},
"Rejection of evolution by religious groups": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Issues"
},
"Reformism (historical)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Activism"
},
"Radical feminism": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Social status"
},
"Reputation": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Social status"
},
"Role": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Social status"
},
"Role model": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Social status"
},
"Ruling class": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Social classes"
},
"Racial segregation": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Discrimination"
},
"Reverse discrimination": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Discrimination"
},
"Religious discrimination": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Discrimination"
},
"Reflexivity (social theory)": {
"level": 5,
"topic": "Society and social sciences",
"sublist": "Social studies",
"section": "Sociology"
},
"Research and development": {
"level": 5,
"topic": "Technology",
"section": "Technology: General"
},
"Risk management": {
"level": 5,
"topic": "Technology",
"section": "Basics"
},
"Requirements analysis": {
"level": 5,
"topic": "Technology",
"section": "Basics"
},
"Reverse engineering": {
"level": 5,
"topic": "Technology",
"section": "Basics"
},
"Radio-frequency engineering": {
"level": 5,
"topic": "Technology",
"section": "Disciplines"
},
"Railway engineering": {
"level": 5,
"topic": "Technology",
"section": "Disciplines"
},
"Rainfed agriculture": {
"level": 5,
"topic": "Technology",
"section": "Forms of agriculture"
},
"Regenerative agriculture": {
"level": 5,
"topic": "Technology",
"section": "Forms of agriculture"
},
"Rodenticide": {
"level": 5,
"topic": "Technology",
"section": "Pest and disease control"
},
"Raised field": {
"level": 5,
"topic": "Technology",
"section": "Buildings and infrastructure"
},
"Ranch": {
"level": 5,
"topic": "Technology",
"section": "Buildings and infrastructure"
},
"Recombinant DNA": {
"level": 5,
"topic": "Technology",
"section": "Biotechnology"
},
"Real-time computing": {
"level": 5,
"topic": "Technology",
"section": "Computer science"
},
"Ransomware": {
"level": 5,
"topic": "Technology",
"section": "Computer security"
},
"RSA cryptosystem": {
"level": 5,
"topic": "Technology",
"section": "Cryptography"
},
"Reboot": {
"level": 5,
"topic": "Technology",
"section": "Computer hardware"
},
"Real-time clock": {
"level": 5,
"topic": "Technology",
"section": "Computer hardware"
},
"Real-time operating system": {
"level": 5,
"topic": "Technology",
"section": "Operating systems"
},
"RAID": {
"level": 5,
"topic": "Technology",
"section": "Data storage and memory"
},
"Reverse proxy": {
"level": 5,
"topic": "Technology",
"section": "Networks"
},
"Routing": {
"level": 5,
"topic": "Technology",
"section": "Networks"
},
"Rotten Tomatoes": {
"level": 5,
"topic": "Technology",
"section": "Utility"
},
"Reddit": {
"level": 5,
"topic": "Technology",
"section": "Social network and blogging"
},
"Reusability": {
"level": 5,
"topic": "Technology",
"section": "Software development: General"
},
"Recursion (computer science)": {
"level": 5,
"topic": "Technology",
"section": "Software development: General"
},
"Regular expression": {
"level": 5,
"topic": "Technology",
"section": "Software development: General"
},
"R (programming language)": {
"level": 5,
"topic": "Technology",
"section": "Programming languages"
},
"Ruby (programming language)": {
"level": 5,
"topic": "Technology",
"section": "Scripting languages"
},
"Raspberry Pi": {
"level": 5,
"topic": "Technology",
"section": "Specific hardware"
},
"Rotary switch": {
"level": 5,
"topic": "Technology",
"section": "Components"
},
"Rectifier": {
"level": 5,
"topic": "Technology",
"section": "Functional circuits"
},
"Refrigerant": {
"level": 5,
"topic": "Technology",
"section": "Heating and cooling"
},
"Rechargeable battery": {
"level": 5,
"topic": "Technology",
"section": "Energy storage"
},
"Repowering": {
"level": 5,
"topic": "Technology",
"section": "Concepts"
},
"Residual-current device": {
"level": 5,
"topic": "Technology",
"section": "Electrical protective devices"
},
"Respirator": {
"level": 5,
"topic": "Technology",
"section": "Food, water and health"
},
"Rayon": {
"level": 5,
"topic": "Technology",
"section": "Fabrics and fibers"
},
"Ring spinning": {
"level": 5,
"topic": "Technology",
"section": "Spinning"
},
"Ready-mix concrete": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Reinforced concrete": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Rebar": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Roman concrete": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Rammed earth": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Roof shingle": {
"level": 5,
"topic": "Technology",
"section": "Building materials"
},
"Rain gutter": {
"level": 5,
"topic": "Technology",
"section": "Hydraulic infrastructure"
},
"Rogun Dam": {
"level": 5,
"topic": "Technology",
"section": "Dams"
},
"Rainbow Bridge (Niagara Falls)": {
"level": 5,
"topic": "Technology",
"section": "Bridges"
},
"Rainbow Bridge (Tokyo)": {
"level": 5,
"topic": "Technology",
"section": "Bridges"
},
"Rialto Bridge": {
"level": 5,
"topic": "Technology",
"section": "Bridges"
},
"Robotic arm": {
"level": 5,
"topic": "Technology",
"section": "Machinery and tools: General"
},
"Rack and pinion": {
"level": 5,
"topic": "Technology",
"section": "Mechanisms"
},
"Ratchet (device)": {
"level": 5,
"topic": "Technology",
"section": "Mechanisms"
},
"Rod end bearing": {
"level": 5,
"topic": "Technology",
"section": "Mechanisms"
},
"Reciprocating engine": {
"level": 5,
"topic": "Technology",
"section": "Engines"
},
"Rivet gun": {
"level": 5,
"topic": "Technology",
"section": "Hydraulics and pneumatics"
},
"Reaper": {
"level": 5,
"topic": "Technology",
"section": "Farm and garden machinery"
},
"Reaper-binder": {
"level": 5,
"topic": "Technology",
"section": "Farm and garden machinery"
},
"Rice cooker": {
"level": 5,
"topic": "Technology",
"section": "Household appliances"
},
"Roller (agricultural tool)": {
"level": 5,
"topic": "Technology",
"section": "Agricultural tools"
},
"Rubber band": {
"level": 5,
"topic": "Technology",
"section": "Containers"
},
"Reticle": {
"level": 5,
"topic": "Technology",
"section": "Surveying tools"
},
"Radio receiver": {
"level": 5,
"topic": "Technology",
"section": "Telecommunications"
},
"Radio-frequency identification": {
"level": 5,
"topic": "Technology",
"section": "Telecommunications"
},
"Reflex hammer": {
"level": 5,
"topic": "Technology",
"section": "Devices"
},
"Retainer (orthodontics)": {
"level": 5,
"topic": "Technology",
"section": "Equipment"
},
"Retractor (medicine)": {
"level": 5,
"topic": "Technology",
"section": "Surgical instruments"
},
"Reactive armour": {
"level": 5,
"topic": "Technology",
"section": "Armour"
},
"Ravelin": {
"level": 5,
"topic": "Technology",
"section": "Fortification"
},
"Rampart (fortification)": {
"level": 5,
"topic": "Technology",
"section": "Fortification"
},
"Recurve bow": {
"level": 5,
"topic": "Technology",
"section": "Archery"
},
"Repeating crossbow": {
"level": 5,
"topic": "Technology",
"section": "Archery"
},
"Rocket artillery": {
"level": 5,
"topic": "Technology",
"section": "Artillery"
},
"Revolver": {
"level": 5,
"topic": "Technology",
"section": "Firearms"
},
"Rotary cannon": {
"level": 5,
"topic": "Technology",
"section": "Firearms"
},
"Repeating firearm": {
"level": 5,
"topic": "Technology",
"section": "Mechanisms_2"
},
"Rifling": {
"level": 5,
"topic": "Technology",
"section": "Mechanisms_2"
},
"Rocket-propelled grenade": {
"level": 5,
"topic": "Technology",
"section": "Missiles"
},
"Reconnaissance aircraft": {
"level": 5,
"topic": "Technology",
"section": "Military aviation"
},
"Ruby laser": {
"level": 5,
"topic": "Technology",
"section": "Lasers"
},
"Rangefinder camera": {
"level": 5,
"topic": "Technology",
"section": "Photography"
},
"Reflecting telescope": {
"level": 5,
"topic": "Technology",
"section": "Telescope"
},
"Ritchey–Chrétien telescope": {
"level": 5,
"topic": "Technology",
"section": "Telescope"
},
"Refracting telescope": {
"level": 5,
"topic": "Technology",
"section": "Telescope"
},
"ROSAT": {
"level": 5,
"topic": "Technology",
"section": "Space-based observatories"
},
"Rover (space exploration)": {
"level": 5,
"topic": "Technology",
"section": "Rovers"
},
"Rail yard": {
"level": 5,
"topic": "Technology",
"section": "Concepts of ground transport"
},
"Rest area": {
"level": 5,
"topic": "Technology",
"section": "Concepts of ground transport"
},
"Railway platform": {
"level": 5,
"topic": "Technology",
"section": "Concepts of ground transport"
},
"Road junction": {
"level": 5,
"topic": "Technology",
"section": "Road infrastructure"
},
"Recreational vehicle": {
"level": 5,
"topic": "Technology",
"section": "Motorized road transport"
},
"Railway electrification": {
"level": 5,
"topic": "Technology",
"section": "Rail and cable transport"
},
"Railroad car": {
"level": 5,
"topic": "Technology",
"section": "Rail and cable transport"
},
"Rolling stock": {
"level": 5,
"topic": "Technology",
"section": "Rail and cable transport"
},
"Rail freight transport": {
"level": 5,
"topic": "Technology",
"section": "Rail and cable transport"
},
"Recumbent bicycle": {
"level": 5,
"topic": "Technology",
"section": "Human-powered transport"
},
"Road roller": {
"level": 5,
"topic": "Technology",
"section": "Specific-purpose transportation"
},
"Raft": {
"level": 5,
"topic": "Technology",
"section": "Naval transport"
},
"Remotely operated underwater vehicle": {
"level": 5,
"topic": "Technology",
"section": "Naval transport"
},
"Runway": {
"level": 5,
"topic": "Technology",
"section": "Concepts of aviation"
},
"Rigid airship": {
"level": 5,
"topic": "Technology",
"section": "Types of aircraft"
},
"Rotorcraft": {
"level": 5,
"topic": "Technology",
"section": "Types of aircraft"
},
"Radial engine": {
"level": 5,
"topic": "Technology",
"section": "Aircraft components"
},
"Roman roads": {
"level": 5,
"topic": "Technology",
"section": "Ground transportation networks"
},
"Rio de Janeiro Metro": {
"level": 5,
"topic": "Technology",
"section": "Brazil"
},
"Réseau Express Régional": {
"level": 5,
"topic": "Technology",
"section": "France"
},
"Rome Metro": {
"level": 5,
"topic": "Technology",
"section": "Italy"
},
"Rotterdam Metro": {
"level": 5,
"topic": "Technology",
"section": "Netherlands"
},
"Reiwa period": {
"level": 3,
"section": "Guidelines"
}
}
