History of the Communist Party USA
The Communist Party USA (CPUSA) is an American political party with a communist platform that was founded in 1919. Its history is deeply rooted in the history of the American labor movement as it played critical roles in struggles to organize American workers into unions, in leadership of labor strikes, as well as prominent involvement in later civil rights and anti-war movements.
Source: Wikipedia — History of the Communist Party USA (CC BY-SA 4.0)