Discuss the basis of America's transition from historical isolationism to a more interventionist foreign policy after WWII.

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Ashley Kannan | Middle School Teacher | (Level 3) Distinguished Educator

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The primary basis for America's transition from historical isolationism to a more interventionist foreign policy after World War II was the fundamental fear of Soviet- style Communism.  This fear is what drove the interventionist attitude that dominated American foreign policy and forged the basis of the Cold War. It was the fear of this dialectical other in a bipolar world that ensured America would assume a more interventionist foreign policy as a response to the Soviet Union.

Upon the conclusion of World War II, Europe was decimated.  The once looming and dominant power of the German nation had been reduced to the very rubble that most of Europe resembled.  There was no real order left in Europe and this created a vacuum Stalin clearly recognized.  As early as the 1920s, Stalin had asserted a fundamental mistrust of Western capitalism and its relationship towards Russia, arguing that "the present capitalist encirclement" must be "replaced by a socialist encirclement."  Even though the Soviet Union signed the Non- aggression pact with the Nazis, when Hitler invaded Poland, it demonstrated to Stalin that some type of buffer between his nation and the Western nations was required.  During World War II, Stalin interpreted the Eastern front as the West's attempt to weaken the Soviet Union by ensuring that the Russians fought the Germans without much in way of assistance, thereby furthering mistrust of the West.  Upon conclusion of the war, Stalin began the process of angling reconstruction towards a position that enabled Russian protection through the establishment of a "socialist encirclement."  At the root of this was a mistrust of the West.

On the American side of the ledger, the death of  President Roosevelt reoriented his global vision for American economic superiority over the British Empire.  Vice President Truman assumed power and displayed an intense mistrust of Stalin. Rather than accept and continue the diplomatic advances that Roosevelt had established, Truman looked at Stalin's desire to install Soviet friendly governments in the nations that bordered the Soviet Union with hostility. Truman and his advisors became convinced that the Soviet Union was seeking to become the new dominant force in Europe.  As the United States was developing nuclear technology, it became clear that the Soviets were also following suit.  Truman understood that the need for the United States to develop such technology was to defeat Japan.  He recognized and interpreted the Soviet desire to compete as a desire to establish unilateral power in both Europe and the world.

Both nations' aggressiveness and hostility towards the other manifested itself in the new map of Europe.  Both the establishment of the Eastern Bloc and Soviet manipulation of governments in Eastern Bloc nations to suppress any dissent through any means necessary demonstrated to Truman and his advisors that Stalin would not be content until he controlled all of Europe. When the issue of Germany arose, the interventionist foreign policy of both nations became clear. Internal documents amongst Soviet advisors suggested that the United States and Western capitalist nations sought to destroy the Soviet Union, through which occupation of Germany was one of the first steps. This necessitated a Soviet military buildup within Germany in order to repel what was seen as the West's desire to destroy the Soviet Union. At the same time, American interests in Germany were demonstrated when the United States established that it would remain in Germany indefinitely, constituting a political and economic presence in the nation in order to provide a fundamental obstacle to Soviet control:  "The nub of our program was to win the German people ... it was a battle between us and Russia over minds ..."  

The need to view Europe in bipolar terms helped to establish a foreign policy approach that ran away from isolationism and into interventionism.  Soviet- style Communism became seen as the greatest threat to American freedom and the condition of newly freed nations around the world.  It was a force that had to be countered with aggressiveness and nothing short of total commitment would do.  The "battle between us and Russia over minds" took on the form of interventionism wherever, whenever, and however it was needed.  Containing Communism became the basis for the transition from isolationism to American interventionism.

Truman's policy of containment bound the United States into an interventionist foreign policy.  The Truman Doctrine was defined through American interventionism against Communism.  In a speech before Congress in 1947 that outlined the foundations of the Truman Doctrine, the President constructed a paradigm where isolationism was viewed as threatening a state of freedom whose presence demanded intervention:

To ensure the peaceful development of nations, free from coercion, the United States has taken a leading part in establishing the United Nations, The United Nations is designed to make possible lasting freedom and independence for all its members. We shall not realize our objectives, however, unless we are willing to help free peoples to maintain their free institutions and their national integrity against aggressive movements that seek to impose upon them totalitarian regimes. This is no more than a frank recognition that totalitarian regimes imposed on free peoples, by direct or indirect aggression, undermine the foundations of international peace and hence the security of the United States.

President Truman's insistence that the United States had a moral and political obligation to "help free peoples to maintain their free institutions and national integrity against aggressive movements that seek to impose upon them totalitarian regimes" established the transition from historical isolationism to a more interventionist foreign policy after World War II.

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parama9000 | Student, Grade 11 | (Level 1) Valedictorian

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The isolationism was to avoid any more conflict after WWI.

The interventionist policies was to prevent the spread of Communism from Russia and China to other parts of the world. This resulted in the US feeling it has an obligation to intervene against aggressive forces.

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rachellopez | Student, Grade 12 | (Level 1) Valedictorian

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Before WWII, the United States followed the concept of isolationism because they thought is was the best way to avoid war. However, during WWII America feared that communism would take over. In order to stop the spread of communism we became involved with European nations. America felt the need to help stop communism, not only in our country, but in others such as China and other countries near Russia.  

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