Respuesta :
Answer:
1989 when the Berlin Wall came down. The Soviet Union dissolved in 1991.
Explanation: This is a world history questions. These two events led to the breakup of the Soviet Union.
The Cold War officially ended in 1989 when the Soviet leader Mikhail Gorbachev and United States President met at Malta Conference on 3 December 1989 and declared cold war to be over.
While the Soviet Union was dissolved in December 1991 when the Mikhail Gorbachev stepped down and Soviet Union broke into 15 independent states.
