Poole, William T., collector.

Historical Note

The Subversive Activities Control Board was established in 1950 in conjunction with enactment of the Internal Security Act (McCarran Act) of 1950. Its purpose was to secure registration of communist-action and communist-front organizations in the United States. The Board attempted to carry out this function for more than two decades but experienced frustration as a result of legal challenges and court decisions. It was abolished by Presidential executive order in 1973.

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