In a speech by Churchill, The Iron Curtain became known as the name for those countries in Europe on the side of the Soviet Union. This stood as a symbol for the dividing lines in the fear of communism.
Marshall Plan Announced
China Falls to Communism
Soviet Union tests Atomic bomb
Senator McCarthy started accusing people within the government of being communist. Practice of making accusations of disloyalty, subversion, and treason without regard for evidence. Showing distrust in people and intensifying the fear of communism.