Final answer:
During the Cold War, the United States pursued a policy of containment rather than isolationism, aiming to prevent the spread of communism.
Step-by-step explanation:
During the Cold War, the United States did not pursue a policy of isolationism. Instead, they followed a policy of containment, aimed at preventing the spread of communism. The United States engaged in various activities around the world to counter the influence of the Soviet Union and promote democracy, such as providing economic and military aid to countries fighting communism, participating in military alliances like NATO, and engaging in proxy wars.