Answer:
Gorbachev's decision to loosen the Soviet yoke on the countries of Eastern Europe created an independent, democratic momentum that led to the collapse of the Berlin Wall in November 1989, and then the overthrow of Communist rule throughout Eastern Europe.
Explanation:
Sorry if this didn't helped you enough.
C if i remember correctly.
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The dread Scott case is about a slave that goes to court several times and begs for his freedome