Organized on November 1, 1950, under authority provided in the Internal Security Act, the SACB was empowered to order the registration of organizations that it found to be "[[Communist front]]," "Communist action," or "Communist infiltrated." In carrying out this mandate, the SACB took a leading position in the federal government’s response to the Red Scare of the late 1940s and 1950s. | Organized on November 1, 1950, under authority provided in the Internal Security Act, the SACB was empowered to order the registration of organizations that it found to be "[[Communist front]]," "Communist action," or "Communist infiltrated." In carrying out this mandate, the SACB took a leading position in the federal government’s response to the Red Scare of the late 1940s and 1950s. |