title: The Isolationist Downfall with the Establishment of the Truman Doctrine
abstract: The advent of the Truman Doctrine in 1947 was a historical moment in US foreign policy, which brought a significant change of approach from traditional isolationism to internationalism. Those who vehemently opposed this unprecedented policy were congressional isolationists. The article analyzes how and why the isolationists’ policy was abandoned after the Truman Doctrine was established. It can be stated that the downfall of isolationists was a process determined by the international actions of 
journal: The Copernicus Journal of Political Studies