Answer: The United States under President Truman pursued a reactionary policy of containing communism simply called containment. This was the idea that the United States could use a series of foreign policy tools to prevent communism from emerging in places it hadn't been before, especially in the decolonizing world. Truman reasoned that poor, hungry, and desperate people were more likely to accept a totalitarian government that promised to meet their needs. Comfortable, well-fed, happy people would be less likely to comply. This came to be called the Truman Doctrine.
Space Race: Sputnik, gagarin, apollo program
Arms race: With the possibility that a cold war could turn into a hot war at any time, both sides built up huge stockpiles of conventional and unconventional weapons. Each side hoped to become so mighty militarily that the other side would never dare strike. The effect, however, was that the weapons each side developed became more and more destructive.
The space race was a competition between two cold war rivals i.e. the soviet union and the united states for supremacy in space flight capability. There were major psychological effects including anxiety, fear of devastating war, etc.
The U.S. and the USSR are engaged in the important forms of non-violent competition during the cold war was the Space race by launching the first artificial satellite, Sputnik.
The major psychological effects of living through the cold war are Americans' fears that the bomb may drop at any time. Also, the American people distrust their neighbors.
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