This time line shows that many Eastern European nations were democracies before 1989. rejected communism in a short time. continued to support communism in the 1990s.

 rejected communism in a short time.

Explanation:

There is no timeline attached but this should be the correct answer. After the fall of the Soviet Union, there was no backing for the communist governments of eastern European countries as the Soviets would regularly intervene in their affairs to keep the Communist party in power.

With the Soviets gone, the Communists were forced from office in most Eastern European countries and this paved the way for multi-party elections and a more democratic eastern Europe.

a.that is my answer.

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