Who started the Cold War? In a month-by-month analysis, the initial aggressors are less apparent. Yet, the relationship between the Soviets and the West are none-the-less solidified with Winston Churchill's Iron Curtain speech. The US enters the "Red Scare" and creates The House Un-American Activities Committee in an attempt to place the "right" ideology as a bedrock for US culture. The rise of Joseph McCarthy , with the aid of the FBI, turns into a near witch hunt for Communists in America.