Why was the decline of the Soviet Union an important factor in the fall of communist governments in Eastern Europe?
O A. It left the Soviet Union too weak to provide military support to its
communist allies.
B. It led desperate Soviet leaders to invade Eastern Europe to acquire
new territories.
O C. It gave Western European democracies economic control over
Eastern European states.
O D. It forced communist leaders in Eastern Europe to rely on the
United States for support.