Final answer:
During the Cold War, the United States used the strategy of containment to stop the spread of communism. This involved preventing the expansion of communism and Soviet influence globally. Through aid and assistance, the U.S. aimed to counter the appeal of communism and confine it to Eastern Europe.
Step-by-step explanation:
During the Cold War, the strategy used by the United States to stop the spread of communism was containment. Containment aimed to prevent the expansion of communism and Soviet influence worldwide. The United States provided aid and assistance to countries to counter the appeal of communism and promote its own democratic values. By implementing containment, the United States aimed to confine communism to Eastern Europe and prevent its spread to other regions.