What was the succession of events that led to the fall of the Soviet union and how did it affect eastern Europe

A number of events and uprisings in the 1980 are led to the collapse of the Soviet Union. USSR's leader, Gorbachev, had a policy of openness a called Glasnost. ... Last, in the Soviet Union, the failed August Coup in 1991 led to the end of the Communist party in USSR.

Explanation:

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the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.