McCarran Internal Security Act 麦卡伦国内安全法
(重定向自McCarran Act)
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The Internal Security Act of 1950, 64 Stat. 987 (Public Law 81-831), also known as the Subversive Activities Control Act of 1950 or the McCarran Act, after its principal sponsor Sen. Pat McCarran (D-Nevada), is a United States federal law. It was enacted over President Harry Truman's veto.