The state of political hostility between the U. S. and the U. S.S. R. (Soviet Union) that was characterized by threats, propaganda, and other measures short of open warfare from1945-1991. a. True
b. False

True.

Explanation:

The United States and the Soviet Union after the Second World War involved in political hostility, the reason for threats was the expansion of the communism in Eastern Europe by the Soviet. By 1950, the Eastern Bloc consisted of many countries, like  Ukraine, Poland, Hungary, and Czechoslovakia. The anxiety remains for decades because of diverse political opinions as to the Western followed Democracy and Eastern Europe with communism. All this led to the beginning of the Cold War, which generated a feeling of tension, suspicion, and fear.

false, the two are unrelated

the answer is false.