Answer: C. It inspired countries in Eastern Europe to overthrow Soviet rule.
Explanation:
The fall of the Soviet Union had a domino effect. It was not only the unification of East and West Germany that caused this event. Earlier, Poland rejected the communist government. Germany's unification was an event in a series that led to the fall of the Soviet Union and socialism. The disintegration of Yugoslavia is also one of the elements of the death of communism and the disintegration of Czechoslovakia.