The House Un-American Activities Committee claimed in 1947 that communists controlled the Hollywood blacklist.
In 1947, the committee held nine days of hearings to look into claims of communist influence and propaganda in the Hollywood film industry.
The so-called Hollywood blacklist was a larger entertainment industry blacklist that was put in place in the United States in the middle of the 20th century, at the start of the Cold War.
Professionals in the entertainment sector who are suspected of being or having been Communists or sympathizers may be denied work as part of the blacklisting process.
The studios forbade the employment of American musicians, screenwriters, directors, and other entertainment industry professionals in addition to performers.
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