McCarran Internal Security Act, also known as the Internal Security Act, requires the registration of Communist organizations with the U.S. Attorney General. Its purpose is to protect the United States against subversive activities.
The McCarran Internal Security Act created the Subversive Activities Control Board, and made it so communist organizations had to register with the Attorney General of the United States. It was vetoed by Harry Truman, but his veto was overridden by… Full Answer
House Un-American Activities Comittee (HUAC) - investigated "communist" activities and arrested several including the "Hollywood 10" and were involved in the Alger Hiss Case McCarran Security Act (1950) - communist organizations must register with the government and publish all of… Full Answer