The Soviet Union collapsed in 1991. Identify two causes and two effects of the collapse of the Soviet Union.
Match the following statements as either causes of the collapse of the Soviet Union or effects of the collapse of the Soviet Union.
1. Causes
2. Effects
1)The Cold War ended, leaving the United States as the world's sole superpower.
2) The expensive arms race in the USSR became an enormous burden on the struggling economy.
3) Mass demonstrations for democracy put pressure on communist governments
4) Independent republics established democratic reforms and free market economies
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