Slavery in Africa
- This article discusses systems, history, and effects of slavery within Africa. See Arab slave trade, Atlantic slave trade, Maafa, and Slavery in contemporary Africa for other discussions.
Slavery in Africa has existed throughout the continent for many centuries, and still continues in the current day in some countries. Systems of servitude and slavery were common in parts of the continent, as they were in much of the ancient world. In most African societies where slavery was prevalent, the enslaved people were not treated as chattel slaves and were given certain rights in a system similar to indentured servitude elsewhere in the world. When the Arab slave trade and Atlantic slave trade began, many of the local slave systems changed and began supplying captives for slave markets outside of Africa.
Slavery in historical Africa was practiced in many different forms and some of these do not clearly fit the definitions of slavery elsewhere in the world. Debt slavery, enslavement of war captives, military slavery, and criminal slavery were all practiced in various parts of Africa.
- 1 Forms of slavery
- 2 Slavery practices throughout Africa
- 3 Transformations of slavery in Africa
- 4 Effects
- 5 See also
- 6 Notes
- 7 Further reading
- 8 External links
Forms of slavery
Multiple forms of slavery and servitude have existed throughout Africa during history and were shaped by indigenous practices of slavery as well as the Roman institution of slavery (and the later Christian views on slavery), the Islamic institutions of slavery, and eventually the Atlantic slave trade. Slavery existed in parts of Africa (like the rest of the world) and was a part of the economic structure of some societies for many centuries, although the extent varied. Ibn Battuta, who visited the ancient kingdom of Mali in the mid-14th century, recounts that the local inhabitants vied with each other in the number of slaves and servants they had, and was himself given a slave boy as a "hospitality gift." In sub-Saharan Africa, the slave relationships were often complex, with rights and freedoms given to individuals held in slavery and restrictions on sale and treatment by their masters. Many communities had hierarchies between different types of slaves: for example, differentiating between those who had been born into slavery and those who had been captured through war.
Slavery in African cultures was generally more like indentured servitude, although in certain parts of sub-Saharan Africa, slaves were used for human sacrifices in annual rituals, such as those rituals practiced by the denizens of Dahomey. Slaves were often not the chattel of other men, nor enslaved for life.
The forms of slavery in Africa were closely related to kinship structures. In many African communities, where land could not be owned, enslavement of individuals was used as a means to increase the influence a person had and expand connections. This made slaves a permanent part of a master's lineage and the children of slaves could become closely connected with the larger family ties. Children of slaves born into families could be integrated into the master's kinship group and rise to prominent positions within society, even to the level of chief in some instances. However, stigma often remained attached and there could be strict separations between slave members of a kinship group and those related to the master.
Chattel slavery is a specific servitude relationship where the slave is treated as the property of the owner. As such, the owner is free to sell, trade, or treat the slave as he would other pieces of property and the children of the slave often are retained as the property of the master. There is evidence of long histories of chattel slavery in the Nile river valley and Northern Africa, but evidence is incomplete about the extent and practices of chattel slavery throughout much of the rest of the continent prior to written records by Arab or European traders.
Many slave relationships in Africa revolved around domestic slavery, where slaves would work primarily in the house of the master but retain some freedoms. Domestic slaves could be considered part of the master's household and would not be sold to others without extreme cause. The slaves could own the profits from their labor (whether in land or in products), and could marry and pass the land on to their children in many cases.
Pawnship, or debt bondage slavery, involves the use of people as collateral to secure the repayment of debt. Slave labor is performed by the debtor, or a relative of the debtor (usually a child). Pawnship was a common form of collateral in West Africa. It involved the pledge of a person, or a member of that person's family, to service another person providing credit. Pawnship was related to, yet distinct from, slavery in most conceptualizations, because the arrangement could include limited, specific terms of service to be provided and because kinship ties would protect the person from being sold into slavery. Pawnship was a common practice throughout West Africa prior to European contact, including amongst the Akan people, the Ewe people, the Ga people, the Yoruba people, and the Edo people (in modified forms, it also existed amongst the Efik people, the Igbo people, the Ijaw people, and the Fon people).
Military slavery involved the acquisition and training of conscripted military units which would retain the identity of military slaves even after their service. Slave soldier groups would be run by a Patron, who could be the head of a government or an independent warlord, and who would send his troops out for money and his own political interests.
This was most significant in the Nile valley (primarily in Sudan and Uganda), with slave military units organized by various Islamic authorities, and with the war chiefs of Western Africa. The military units in Sudan were formed in the 1800s through large-scale military raiding in the area which is currently the countries of Sudan and South Sudan.
Slaves for sacrifice
Local slave trade
Several nations such as the Ashanti of present-day Ghana and the Yoruba of present-day Nigeria were involved in slave-trading. Groups such as the Imbangala of Angola and the Nyamwezi of Tanzania would serve as intermediaries or roving bands, waging war on African states to capture people for export as slaves. Historians John Thornton and Linda Heywood have provided an estimate that Africans captured and then sold to Europeans around 90% of those who were shipped in the Atlantic slave trade. Henry Louis Gates, the Harvard Chair of African and African American Studies, has stated that "without complex business partnerships between African elites and European traders and commercial agents, the slave trade to the New World would have been impossible, at least on the scale it occurred."
Slavery practices throughout Africa
Like most other regions of the world, slavery and forced labor existed in many kingdoms and societies of Africa for thousands of years. Precise evidence on slavery or the political and economic institutions of slavery before contact with the Arab or Atlantic slave trade is not available. Early European reports of slavery throughout Africa in the 1600s are unreliable because they often conflated various forms of servitude as equal to chattel slavery. The complex relationships and evidence from oral histories often incorrectly describe many forms of servitude or social status as slavery, even when the practices do not follow conceptualizations of slavery in other regions around the world.
The best evidence of slave practices in Africa come from the major kingdoms, particularly along the coast, and there is little evidence of widespread slavery practices in stateless societies. Slave trading was mostly secondary to other trade relationships; however, there is evidence of a trans-Saharan slave trade route from Roman times which persisted in the area after the fall of the Roman empire. However, kinship structures and rights provided to slaves (except those captured in war) appears to have limited the scope of slave trading before the start of the Arab slave trade and the Atlantic slave trade.
Chattel slavery had been legal and widespread throughout North Africa when the region was controlled by the Roman Empire (47 BC - ca. 500 AD). The Sahel region south of the Sahara provided many of the African slaves held in North Africa during this period and there was a trans-Saharan slave trade in operation. Chattel slavery persisted after the fall of the Roman empire in the largely Christian communities of the region. After the Islamic expansion into most of the region, the practices continued and eventually, the chattel form of slavery spread to major societies on the southern end of the Sahara (such as Mali, Songhai, and Ghana).
The medieval slave trade in Europe was mainly to the East and South: the Christian Byzantine Empire and the Muslim World were the destinations, Central and Eastern Europe an important source of slaves. Slavery in medieval Europe was so widespread that the Roman Catholic Church repeatedly prohibited it—or at least the export of Christian slaves to non-Christian lands was prohibited at, for example, the Council of Koblenz in 922, the Council of London in 1102, and the Council of Armagh in 1171. Because of religious constraints, the slave trade was carried out in parts of Europe by Iberian Jews (known as Radhanites) who were able to transfer slaves from pagan Central Europe through Christian Western Europe to Muslim countries in Al-Andalus and Africa.
The Mamluks were slave soldiers who converted to Islam and served the Muslim caliphs and the Ayyubid Sultans during the Middle Ages. The first Mamluks served the Abbasid caliphs in 9th century Baghdad. Over time, they became a powerful military caste, and on more than one occasion they seized power for themselves, for example, ruling Egypt from 1250–1517. From 1250 Egypt had been ruled by the Bahri dynasty of Kipchak Turk origin. White enslaved people from the Caucasus served in the army and formed an elite corps of troops eventually revolting in Egypt to form the Burgi dynasty.
According to Robert Davis between 1 million and 1.25 million Europeans were captured by Barbary pirates and sold as slaves to North Africa and the Ottoman Empire between the 16th and 19th centuries. The coastal villages and towns of Italy, Portugal, Spain and Mediterranean islands were frequently attacked by the pirates and long stretches of the Italian and Spanish coasts were almost completely abandoned by their inhabitants; after 1600 Barbary pirates occasionally entered the Atlantic and struck as far north as Iceland. The most famous corsairs were the Ottoman Barbarossa ("Redbeard"), and his older brother Oruç, Turgut Reis (known as Dragut in the West), Kurtoğlu (known as Curtogoli in the West), Kemal Reis, Salih Reis and Koca Murat Reis.
In 1544, Hayreddin Barbarossa captured Ischia, taking 4,000 prisoners in the process, and deported to slavery some 9,000 inhabitants of Lipari, almost the entire population. In 1551, Dragut enslaved the entire population of the Maltese island Gozo, between 5,000 and 6,000, sending them to Libya. When pirates sacked Vieste in southern Italy in 1554 they took an estimated 7,000 slaves. In 1555, Turgut Reis sailed to Corsica and ransacked Bastia, taking 6000 prisoners. In 1558 Barbary corsairs captured the town of Ciutadella, destroyed it, slaughtered the inhabitants and carried off 3,000 survivors to Istanbul as slaves. In 1563 Turgut Reis landed at the shores of the province of Granada, Spain, and captured the coastal settlements in the area like Almuñécar, along with 4,000 prisoners. Barbary pirates frequently attacked the Balearic islands, resulting in many coastal watchtowers and fortified churches being erected. The threat was so severe that Formentera became uninhabited.
Early modern sources are full of descriptions of sufferings of Christian galley slaves of the Barbary corsairs:
Those who have not seen a galley at sea, especially in chasing or being chased, cannot well conceive the shock such a spectacle must give to a heart capable of the least tincture of commiseration. To behold ranks and files of half-naked, half-starved, half-tanned meagre wretches, chained to a plank, from whence they remove not for months together (commonly half a year), urged on, even beyond human strength, with cruel and repeated blows on their bare flesh...
Sahrawi-Moorish society in Northwest Africa was traditionally (and still is, to some extent) stratified into several tribal castes, with the Hassane warrior tribes ruling and extracting tribute – horma – from the subservient Berber-descended znaga tribes. Below them ranked servile groups known as Haratin, a black population.
Horn of Africa
In the Horn of Africa, the Christian kings of the Ethiopian Empire often exported pagan Nilotic slaves from their western borderlands, or from newly conquered or reconquered lowland territories. The Somali and Afar Muslim sultanates, such as the medieval Adal Sultanate, through their ports also traded Zanj (Bantu) slaves that were captured from the hinterland.
Slavery as practiced in Ethiopia was essentially domestic. Slaves thus served in the houses of their masters or mistresses, and were not employed to any significant extent for productive purpose. Slaves were thus regarded as second-class members of their owners' family,. The first attempt to abolish slavery in Ethiopia was made by Emperor Tewodros II (r. 1855–68), although the slave trade was not abolished legally until 1923 with Ethiopia's ascension to the League of Nations. Anti-Slavery Society estimated there were 2 million slaves in the early 1930s out of an estimated population of between 8 and 16 million. Slavery continued in Ethiopia until the Italian invasion in October 1935, when the institution was abolished by order of the Italian occupying forces. In response to pressure by Western Allies of World War II, Ethiopia officially abolished slavery and involuntary servitude after having regained its independence in 1942. On 26 August 1942, Haile Selassie issued a proclamation outlawing slavery.
In Somali territories, slaves were purchased in the slave market exclusively to do work on plantation grounds. They toiled under the control of and separately from their Somali patrons. In terms of legal considerations, Bantu slaves were devalued. Additionally, Somali social mores strongly discouraged, censured and looked down upon any kind of sexual contact with Bantu slaves. Freedom for these plantation slaves was also often acquired through escape.
Oral tradition recounts slavery existing in the Kingdom of Kongo from the time of its formation with Lukeni lua Nimi enslaving the Mwene Kabunga whom he conquered to establish the kingdom. Early Portuguese writings show that the Kingdom did have slavery before contact, but that they were primarily war captives from the Kingdom of Ndongo.
Slavery was practiced in diverse ways in the different communities of West Africa prior to European trade. With the development of the trans-Saharan slave trade and the economies of gold in the Western Sahel, a number of the major states became organized around the slave trade, including the Ghana Empire, the Mali Empire, and Songhai Empire. However, other communities in West Africa largely resisted the slave trade. The Mossi Kingdoms tried to take over key sites in the trans-Saharan trade and, when these efforts failed, the Mossi became defenders against slave raiding by the powerful states of the Western Sahel. The Mossi would eventually enter the slave trade in the 1800s with the Atlantic slave trade being the main market. Similarly, Walter Rodney identified no slavery or significant domestic servitude in early European accounts on the Upper Guinea region and I. A. Akinjogbin contends that European accounts reveal that the slave trade was not a major activity along the coast controlled by the Yoruba people and Aja people before Europeans arrived. In a paper read to the Ethnological Society of London in 1866, the vice-roy of Lokoja Mr.T. Valentine Robins, who accompanied the expedition up the River Niger aboard the HMS Investigator in 1864 described slavery in the region:
Upon slavery Mr Robins remarked that it was not what people in England thought it to be. It means, as continually found in this part of Africa, belonging to a family group-there is no compulsory labour, the owner and the slave work together, eat the like food, wear the like clothing and sleep in the same huts. Some slaves have more wives than their masters. It gives protection to the slaves and everything necessary for their subsistence- food and clothing. A free man is worse off than a slave; he cannot claim his food from anyone.
With the beginning of the Atlantic slave trade, demand for slavery in West Africa increased and a number of states became centered on the slave trade and domestic slavery increased dramatically.
In Senegambia, between 1300 and 1900, close to one-third of the population was enslaved. In early Islamic states of the western Sudan, including Ghana (750–1076), Mali (1235–1645), Segou (1712–1861), and Songhai (1275–1591), about a third of the population were enslaved. In Sierra Leone in the 19th century about half of the population consisted of enslaved people. In the 19th century at least half the population was enslaved among the Duala of the Cameroon and other peoples of the lower Niger, the Kongo, and the Kasanje kingdom and Chokwe of Angola. Among the Ashanti and Yoruba a third of the population consisted of enslaved people. The population of the Kanem (1600–1800) was about a third-enslaved. It was perhaps 40% in Bornu (1580–1890). Between 1750 and 1900 from one- to two-thirds of the entire population of the Fulani jihad states consisted of enslaved people. The population of the Sokoto caliphate formed by Hausas in the northern Nigeria and Cameroon was half-enslaved in the 19th century.
When British rule was first imposed on the Sokoto Caliphate and the surrounding areas in northern Nigeria at the turn of the 20th century, approximately 2 million to 2.5 million people there were enslaved. Slavery in northern Nigeria was finally outlawed in 1936.
African Great Lakes
With sea trade from the eastern African Great Lakes region to Persia, China, and India during the first millennium AD, slaves are mentioned as a commodity of secondary importance to gold and ivory. When mentioned, the slave trade appears to be of a small-scale and mostly involve slave raiding of women and children along the islands of Kilwa Kisiwani, Madagascar and Pemba. Historians Campbell and Alpers argue that there were a host of different categories of labor in Southeast Africa and that the distinction between slave and free individuals was not particularly relevant in most societies. However, with increasing international trade in the 18th and 19th century, Southeast Africa began to be involved significantly in the Atlantic slave trade; for example, with the king of Kilwa island signing a treaty with a French merchant in 1776 for the delivery of 1,000 slaves per year.
At about the same time, merchants from Oman, India, and Southeast Africa began establishing plantations along the coasts and on the islands, To provide workers on these plantations, slave raiding and slave holding became increasingly important in the region and slave traders (most notably Tippu Tip) became prominent in the political environment of the region. The Southeast African trade reached its height in the early decades of the 1800s with up to 30,000 slaves sold per year. However, slavery never became a significant part of the domestic economies except in Sultanate of Zanzibar where plantations and agricultural slavery were maintained. Author and historian Timothy Insoll wrote: "Figures record the exporting of 718,000 slaves from the Swahili coast during the 19th century, and the retention of 769,000 on the coast."
In the Great Lakes region of Africa (around present-day Uganda), linguistic evidence shows the existence of slavery through war capture, trade, and pawning going back hundreds of years; however, these forms, particularly pawning, appear to have increased significantly in the 18th and 19th centuries.
Transformations of slavery in Africa
Slave relationships in Africa have been transformed through three large-scale processes: the Arab slave trade, the Atlantic slave trade, and the slave emancipation policies and movements in the 19th and 20th century. Each of these processes significantly changed the forms, level, and economics of slavery in Africa.
Slave practices in Africa were used during different periods to justify specific forms of European engagement with the peoples of Africa. Eighteenth century writers in Europe claimed that slavery in Africa was quite brutal in order to justify the Atlantic slave trade. Later writers used similar arguments to justify intervention and eventual colonization by European powers to end slavery in Africa.
Africans knew of the harsh slavery that awaited slaves in the New World. Many elite Africans visited Europe on slave ships following the prevailing winds through the New World. One example of this occurred when Antonio Manuel, Kongo’s ambassador to the Vatican, went to Europe in 1604, stopping first in Bahia, Brazil, where he arranged to free a countryman who had been wrongfully enslaved. African monarchs also sent their children along these same slave routes to be educated in Europe, and thousands of former slaves eventually returned to settle Liberia and Sierra Leone.
Trans-Saharan and Indian Ocean trade
The Arab slave trade, established in the 8th and 9th centuries AD, involved a small-scale movement of people largely from the eastern Great Lakes region and the Sahel. Islamic law allowed slavery but prohibited slavery involving other pre-existing Muslims; as a result, the main target for slavery were the people who lived in the frontier areas of Islam in Africa. The trade of slaves across the Sahara and across the Indian Ocean also has a long history beginning with the control of sea routes by Afro-Arab traders in the ninth century. It is estimated that only a few thousand enslaved people were taken each year from the Red Sea and Indian Ocean coast. They were sold throughout the Middle East. This trade accelerated as superior ships led to more trade and greater demand for labour on plantations in the region. Eventually, tens of thousands per year were being taken. On the Swahili Coast, the Afro-Arab slavers captured Bantu peoples from the interior and brought them to the littoral. There, the slaves gradually assimilated in the rural areas, particularly on the Unguja and Pemba islands.
This changed the slave relationships by creating new forms of employment by slaves (as eunuchs to guard harems and in military units) and creating conditions for freedom (namely conversion—although it would only free a slave's children). Although the level of the trade remained small, the size of total slaves traded grew to a large number of the multiple centuries of its existence. Because of its small and gradual nature, the impact on slavery practices in communities that did not convert to Islam was relatively small. However, in the 1800s, the slave trade from Africa to the Islamic countries picked up significantly. When the European slave trade ended around the 1850s, the slave trade to the east picked up significantly only to be ended with European colonization of Africa around 1900.
In 1814, Swiss explorer Johann Burckhardt wrote of his travels in Egypt and Nubia, where he saw the practice of slave trading: "I frequently witnessed scenes of the most shameless indecency, which the traders, who were the principal actors, only laughed at. I may venture to state, that very few female slaves who have passed their tenth year, reach Egypt or Arabia in a state of virginity."
David Livingstone wrote of the slave trade: "To overdraw its evils is a simple impossibility ... We passed a slave woman shot or stabbed through the body and lying on the path. [Onlookers] said an Arab who passed early that morning had done it in anger at losing the price he had given for her, because she was unable to walk any longer. We passed a woman tied by the neck to a tree and dead ... We came upon a man dead from starvation ... The strangest disease I have seen in this country seems really to be broken heartedness, and it attacks free men who have been captured and made slaves." Livingstone estimated that 80,000 Africans died each year before ever reaching the slave markets of Zanzibar. Zanzibar was once East Africa's main slave-trading port, and under Omani Arabs in the 19th century as many as 50,000 slaves were passing through the city each year.
Atlantic slave trade
The Atlantic slave trade or transatlantic slave trade took place across the Atlantic Ocean from the 15th through to the 19th centuries. The Atlantic slave trade was significant in transforming Africans from a small percentage of the global population of slaves in 1600 into the overwhelming majority by 1800. The slave trade was transformed from a marginal aspect of the economies into the largest sector in a relatively short span. In addition, agricultural plantations increased significantly and became a key aspect in many societies. Finally, it transformed the traditional distribution of the slave practices.
The first Europeans to arrive on the coast of Guinea were the Portuguese; the first European to actually buy enslaved Africans in the region of Guinea was Antão Gonçalves, a Portuguese explorer in 1441 AD. Originally interested in trading mainly for gold and spices, they set up colonies on the uninhabited islands of São Tomé. In the 16th century the Portuguese settlers found that these volcanic islands were ideal for growing sugar. Sugar growing is a labour-intensive undertaking and Portuguese settlers were difficult to attract due to the heat, lack of infrastructure, and hard life. To cultivate the sugar the Portuguese turned to large numbers of enslaved Africans. Elmina Castle on the Gold Coast, originally built by African labour for the Portuguese in 1482 to control the gold trade, became an important depot for slaves that were to be transported to the New World.
The Spanish were the first Europeans to use enslaved Africans in the New World on islands such as Cuba and Hispaniola, where the alarming death rate in the native population had spurred the first royal laws protecting the native population (Laws of Burgos, 1512–13). The first enslaved Africans arrived in Hispaniola in 1501 soon after the Papal Bull of 1493 gave almost all of the New World to Spain.
The Atlantic slave trade peaked in the late 18th century, when the largest number of slaves were captured on raiding expeditions into the interior of West Africa. The increase of demand for slaves due to the expansion of European colonial powers to the New World made the slave trade much more lucrative to the West African powers, leading to the establishment of a number of actual West African empires thriving on slave trade. These included the Oyo empire (Yoruba), Kong Empire, Imamate of Futa Jallon, Imamate of Futa Toro, Kingdom of Koya, Kingdom of Khasso, Kingdom of Kaabu, Fante Confederacy, Ashanti Confederacy, and the kingdom of Dahomey. These kingdoms relied on a militaristic culture of constant warfare to generate the great numbers of human captives required for trade with the Europeans. A scathing reminder of this execrable practice is documented in the Slave Trade Debates of England in the early 19th century: "All the old writers concur in stating not only that wars are entered into for the sole purpose of making slaves, but that they are fomented by Europeans, with a view to that object." The gradual abolition of slavery in European colonial empires during the 19th century again led to the decline and collapse of these African empires. When European powers began to stop the Atlantic slave trade, this caused a further change in that large holders of slaves in Africa began to exploit enslaved people on plantations and other agricultural products.
The final major transformation of slave relationships came with the inconsistent emancipation efforts starting in the mid-19th century. As European authorities began to take over large parts of inland Africa starting in the 1870s, the colonial policies were often confusing on the issue. For example, even when slavery was deemed illegal, colonial authorities would return escaped slaves to their masters. Slavery persisted in some countries under colonial rule and in some instances it was not until independence that slavery practices were significantly transformed. Anti-colonial struggles in Africa often brought slaves and former slaves together with masters and former masters to fight for independence; however, this cooperation was short-lived and following independence political parties would often form based upon the stratifications of slaves and masters. In some parts of Africa, slavery and slavery-like practices continue to this day and the problem has proven to be difficult for governments and civil society to eliminate.
Efforts by Europeans against slavery and the slave trade began in the late 18th century and had a large impact on slavery in Africa. Portugal was the first country in the continent to abolish slavery in metropolitan Portugal and Portuguese India by a bill issued on the 12 February 1761, but this did not affect their colonies of Brazil and Africa. France abolished slavery in 1794. However, slavery was again allowed by Napoleon in 1802 and not abolished for good until 1848. In 1803, Denmark-Norway became the first country from Europe to implement a ban on the slave trade. Slavery itself was not banned until 1848. Britain followed in 1807 with the passage of the Abolition of the Slave Trade Act by Parliament. This law allowed stiff fines, increasing with the number of slaves transported, for captains of slave ships. Britain followed this with the Slavery Abolition Act 1833 which freed all slaves in the British Empire. British pressure on other countries resulted in them agreeing to end the slave trade from Africa. For example, the 1820 U.S. Law on Slave Trade made slave trading piracy, punishable by death. In addition, the Ottoman Empire abolished slave trade from Africa in 1847 under British pressure.
By 1850, the year that the last major Atlantic slave trade participant (Brazil) passed the Eusébio de Queirós Law banning the slave trade, the slave trades had been significantly slowed and in general only illegal trade went on. Brazil continued the practice of slavery and was a major source for illegal trade until about 1870 and the abolition of slavery became permanent in 1888 when Princess Isabel of Brazil and Minister Rodrigo Silva (son-in-law of senator Eusebio de Queiroz) banned the practice. The British took an active approach to stopping the illegal Atlantic slave trade during this period. The West Africa Squadron was credited with capturing 1,600 slave ships between 1808 and 1860, and freeing 150,000 Africans who were aboard these ships. Action was also taken against African leaders who refused to agree to British treaties to outlaw the trade, for example against ‘the usurping King of Lagos’, deposed in 1851. Anti-slavery treaties were signed with over 50 African rulers.
Although slavery within Africa had been of a limited nature even during the peak of the Arab and Atlantic slave trades, this changed in the last half of the 19th century. Patrick Manning explains that "if there is any time when one can speak of African societies being organized around a slave mode production, [1850-1900] was it".
The continuing anti-slavery movement in Europe became an excuse and a casus belli for the European conquest and colonization of much of the African continent. It was the central theme of the Brussels Anti-Slavery Conference 1889-90. In the late 19th century, the Scramble for Africa saw the continent rapidly divided between Imperialistic European powers, and an early but secondary focus of all colonial regimes was the suppression of slavery and the slave trade. In response to this pressure, Ethiopia officially abolished slavery in 1932, Sokoto Caliphate abolished slavery in 1900, and the rest of the Sahel in 1911. By the end of the colonial period they were mostly successful in this aim, though slavery is still very active in Africa even though it has gradually moved to a wage economy. Independent nations attempting to westernize or impress Europe sometimes cultivated an image of slavery suppression, even as they, in the case of Egypt, hired European soldiers like Samuel White Baker's expedition up the Nile. Slavery has never been eradicated in Africa, and it commonly appears in African states, such as Chad, Ethiopia, Mali, Niger, and Sudan, in places where law and order have collapsed.
Although outlawed in all countries today, slavery is practiced in secret in many parts of the world. There are an estimated 30 million victims of slavery worldwide. In Mauritania alone, up to 600,000 men, women and children, or 20% of the population, are enslaved, many of them used as bonded labour. Slavery in Mauritania was finally criminalized in August 2007. During the Second Sudanese Civil War people were taken into slavery; estimates of abductions range from 14,000 to 200,000. In Niger, where the practice of slavery was outlawed in 2003, a study found that almost 8% of the population are still slaves.
Slavery and the slave trades had a significant impact on the size of the population and the gender distribution throughout much of Africa. The precise impact of these demographic shifts has been an issue of significant debate. The Atlantic slave trade took 70,000 people, primarily from the west coast of Africa, per year at its peak in the mid-1700s. The Arab slave trade involved the capture of peoples from the continental interior, who were then shipped overseas through ports on the Red Sea and elsewhere. It peaked at 10,000 people bartered per year in the 1600s. According to Patrick Manning, there were consistent population decreases in large parts of Sub-Saharan Africa as a result of these slave trades. This population decline throughout West Africa from 1650 until 1850 was exacerbated by the preference of slave traders for male slaves. In eastern Africa, the slave trade was multi-directional and changed over time. To meet the demand for menial labor, Zanj slaves captured from the southern interior were sold through ports on the northern seaboard in cumulatively large numbers over the centuries to customers in the Nile Valley, Horn of Africa, Arabian Peninsula, Persian Gulf, India, Far East and the Indian Ocean islands.
Extent of slavery
The extent of slavery within Africa and the trade in slaves to other regions is not known precisely. Although the Atlantic slave trade has been best studied, estimates range from 8 million people to 20 million. The Trans-Atlantic Slave Trade Database estimates that the Atlantic slave trade took around 12.8 million people between 1450 and 1900. The slave trade across the Sahara and Red Sea from the Sahara, the Horn of Africa, and East Africa, has been estimated at 6.2 million people between 600 and 1600. Although the rate decreased from East Africa in the 1700s, it increased in the 1800s and is estimated at 1.65 million for that century.
Debate about demographic effect
The demographic effects of the slave trade are some of the most controversial and debated issues. Walter Rodney argued that the export of so many people had been a demographic disaster and had left Africa permanently disadvantaged when compared to other parts of the world, and that this largely explains that continent's continued poverty. He presents numbers that show that Africa's population stagnated during this period, while that of Europe and Asia grew dramatically. According to Rodney all other areas of the economy were disrupted by the slave trade as the top merchants abandoned traditional industries to pursue slaving and the lower levels of the population were disrupted by the slaving itself.
Others have challenged this view. J. D. Fage compared the number effect on the continent as a whole. David Eltis has compared the numbers to the rate of emigration from Europe during this period. In the 19th century alone over 50 million people left Europe for the Americas, a far higher rate than were ever taken from Africa.
Others in turn challenged that view. Joseph E. Inikori argues the history of the region shows that the effects were still quite deleterious. He argues that the African economic model of the period was very different from the European, and could not sustain such population losses. Population reductions in certain areas also led to widespread problems. Inikori also notes that after the suppression of the slave trade Africa's population almost immediately began to rapidly increase, even prior to the introduction of modern medicines.
Effect on the economy of Africa
There is a longstanding debate amongst analysts and scholars about the destructive impacts of the slave trades. It is often claimed that the slave trade undermined local economies and political stability as villages' vital labour forces were shipped overseas as slave raids and civil wars became commonplace. With the rise of a large commercial slave trade, driven by European needs, enslaving your enemy became less a consequence of war, and more and more a reason to go to war. The slave trade, it is claimed, impeded the formation of larger ethnic groups, causing ethnic factionalism and weakening the formation for stable political structures in many places. It also is claimed to have reduced the mental health and social development of African people.
In contrast to these arguments, J. D. Fage asserts that slavery did not have a wholly disastrous effect on the societies of Africa. Slaves were an expensive commodity, and traders received a great deal in exchange for each enslaved person. At the peak of the slave trade hundreds of thousands of muskets, vast quantities of cloth, gunpowder, and metals were being shipped to Guinea. Most of this money was spent on British-made firearms (of very poor quality) and industrial-grade alcohol. Trade with Europe at the peak of the slave trade—which also included significant exports of gold and ivory—was some 3.5 million pounds Sterling per year. By contrast, the trade of the United Kingdom, the economic superpower of the time, was about 14 million pounds per year over this same period of the late 18th century. As Patrick Manning has pointed out, the vast majority of items traded for slaves were common rather than luxury goods. Textiles, iron ore, currency, and salt were some of the most important commodities imported as a result of the slave trade, and these goods were spread within the entire society raising the general standard of living.
Effects on Europe's economy
Karl Marx in his economic history of capitalism, Das Kapital, claimed that "...the turning of Africa into a warren for the commercial hunting of black-skins [that is, the slave trade], signalled the rosy dawn of the era of capitalist production." He argued that the slave trade was part of what he termed the "primitive accumulation" of European capital, the "non-capitalist" accumulation of wealth that preceded and created the financial conditions for Britain's industrialisation.
Eric Williams has written about the contribution of Africans on the basis of profits from the slave trade and slavery, arguing that the employment of those profits were used to help finance Britain’s industrialisation. He argues that the enslavement of Africans was an essential element to the Industrial Revolution, and that European wealth was, in part, a result of slavery, but that by the time of its abolition it had lost its profitability and it was in Britain's economic interest to ban it. Joseph Inikori has written that the British slave trade was more profitable than the critics of Williams believe. Other researchers and historians have strongly contested what has come to be referred to as the “Williams thesis” in academia: David Richardson has concluded that the profits from the slave trade amounted to less than 1% of domestic investment in Britain, and economic historian Stanley Engerman finds that even without subtracting the associated costs of the slave trade (e.g., shipping costs, slave mortality, mortality of whites in Africa, defense costs) or reinvestment of profits back into the slave trade, the total profits from the slave trade and of West Indian plantations amounted to less than 5% of the British economy during any year of the Industrial Revolution. Historian Richard Pares, in an article written before Williams’ book, dismisses the influence of wealth generated from the West Indian plantations upon the financing of the Industrial Revolution, stating that whatever substantial flow of investment from West Indian profits into industry there was occurred after emancipation, not before. Findlay and O'Rourke noted that the figures presented by O'Brien (1982) to back his claim that "the periphery was peripheral" suggest the opposite, with profits from the periphery 1784–1786 being £5.66 million when there was £10.30 million total gross investment in the British economy and similar proportions for 1824–1826. They note that dismissing the profits of the enslavement of human beings from significance because it was a "small share of national income", could be used to argue that there was no industrial revolution, since modern industry provided only a small share of national income and that it is a mistake to assume that small size is the same as small significance. Findlay and O'Rourke also note that the share of American export commodities produced by enslaved human beings, rose from 54% between 1501 and 1550 to 82.5% between 1761–1780.
Seymour Drescher and Robert Anstey argue the slave trade remained profitable until the end, because of innovations in agriculture, and that moralistic reform, not economic incentive, was primarily responsible for abolition.
A similar debate has taken place about other European nations. The French slave trade, it is argued, was more profitable than alternative domestic investments, and probably encouraged capital accumulation before the Industrial Revolution and Napoleonic Wars.
Legacy of racism
Maulana Karenga states that the effects of the Atlantic slave trade in African captives was "the morally monstrous destruction of human possibility involved redefining African humanity to the world, poisoning past, present and future relations with others who only know us through this stereotyping and thus damaging the truly human relations among people of today". He cites that it constituted the destruction of culture, language, religion and human possibility.
- Cudjoe Lewis purported to be last African-born slave of this era to be enslaved in the United States.
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- Tippu Tip
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