The Cold War existed as a response of the Western capitalist countries of Europe and the US and Canada to the threat they considered the Soviet Union posed to their economic and political interests both in Europe and also throughout the world. They felt this threat from the Eastern European countries that were invaded by the Soviet Union in their drive to defeat Hitler. After the war many of these countries like Romania, Czechoslovakia etc had socialist governments like the Soviet Union and were considered part of the Soviet sphere of influence. Eastern and Western Germany divided by the Berlin Wall were symbolic of this division. After the WWII and also the death of Stalin, there was major contention between what came to be known as the two world superpowers, the US and the Soviet Union and there was a near nuclear war over for example the US stopping the installation of missiles in Cuba in the early '60's.
Pop was the baseline culture of the early 1960’s.
Truman used his executive power to increase the rights of African-Americans in the military. They claimed that they would not join the draft and would organize protests and marches if they were not given rights like the white soldiers, so he used his executive powers to appease them.
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