The best and most correct answer among the choices provided by your question is the fourth choice or letter D. Yugoslavia was one of the nations that broke up after the fall of the Berlin Wall.
After the Allied victory in World War II,Yugoslavia was set up as a federation of six republics, with borders drawn along ethnic and historical lines: Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro and Macedonia. The League of Communists ofYugoslavia dissolved in 1990 along federal lines.
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