Which of the following best describes the United States’ policy of containment following World War II?

Containment was the policy of stopping Communism from spreading to new countries, rather than trying to invade and overthrow the Soviet Union. The United States used economic aid, such as the Marshall Plan, and military support or intervention to help countries resist Communist expansion. Therefore, the best answer is D: the United States would use economic and military measures to prevent the spread of Communism.

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