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Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam. It represented a middle-ground position between détente and rollback.
The basis of the doctrine was articulated in a 1946 cable by United States diplomat, George F. Kennan (below). As a description of United States foreign policy, the word originated in a report Kennan submitted to the U.S. defense secretary in 1947—a report that was later used in a magazine article.Containment was suggested by diplomat George Kennan who eagerly suggested the United States stifle communist influence in Eastern Europe and Asia.One of the ways to accomplish this was by establishing NATO so the Western European nations had a defense against communist influence.After Vietnam and détente, President Jimmy Carter focused less on containment and more on fighting the Cold War by promoting human rights in hot spot countries.