Final answer:
Yugoslavia was the nation that broke up into many independent states after the fall of the Berlin Wall in Eastern Europe.
Explanation:
After the fall of the Berlin Wall, the nation that broke up into many independent states was Yugoslavia. Following the collapse of Communism and the Soviet Union, Yugoslavia disintegrated, leading to the formation of several independent countries due to diverse ethnic populations within its borders.
For example, Czechoslovakia peacefully split into the Czech Republic and Slovakia. This event marked a significant development in Eastern Europe in the 1990s, characterized by the breakup of nations and the establishment of new independent states.
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