The accession of Republic of Macedonia to NATO (North Atlantic Treaty Organization) is currently pending. NATO's invitation to the Republic of Macedonia was blocked by Greece at the 2008 Bucharest summit. NATO nations agreed that the country would receive an invitation upon resolution of the Macedonia naming dispute. Greece feels that its neighbor's constitutional name implies territorial aspirations against its own region of Macedonia. After the veto, Greece was sued in the International Court of Justice, over the use of "the Former Yugoslav Republic of Macedonia" as an acceptable option to enter NATO with, while Greece counterargues that it was a collective decision of NATO not to invite Macedonia and therefore the interim accord signed between the two countries was not violated. Greece may also block Macedonia's accession to the European Union over the naming dispute. Former United States Secretary of State Hillary Clinton has asked Macedonia and Greece to find an "acceptable solution" to the dispute, so that Macedonia will be free to join NATO. In addition, in 2014, prior to its 65th anniversary since its creation, NATO announced that it would not be offering any new countries membership into the organization that year. Analysts confirmed this as a sign that NATO members are becoming skeptical about further Eastern expansion post Russia's annexation of Crimea, due to worries about Russian retaliation to new security guarantees to countries so close to is borders.
A poll following the summit showed that 82.5% of citizens surveyed opposed changing the constitutional name in order to join NATO. NATO membership in general is supported by 85.2% of the population. Elections were called following the 2008 summit, resulting in further support for the center-right pro-NATO party, VMRO–DPMNE. The elections were marred by violence that was criticized by NATO members.