Answer:
the reform movement in Czechoslovakia in 1968- Prague Spring
the official American policy towards Communism during the Cold War- containment
an American spy plane was shot down over the Soviet Union in 1960- U-2 incident
an attempt to make China a classless society; led by the Red Guards- Cultural Revolution
a policy of political reform in the Soviet Union in the 1980s; literally "openness"- glasnost
Explanation:
u happy now?
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they are selected when citizens of a nation vote for them to be elected, by popular demand of the people(democracy) i hope that helps
Amendment 21 repealed Amendment 18