Original sentence: REDIRECT House Un-American Activities Committee
Edited sentence: The phrase came from the title of the House Un-American Activities Committee, formed in 1947 to investigate the supposed inclusion of Communist propaganda by Hollywood.The phrase was applied by some committee members to those who were accused--often falsely--of being engaged in political activities funded or otherwise supported by the Communist Party.Un-American activities was a phrase used by the House Un-American Activities Committee, during the McCarthyite trials