The National Security Act of 1947 forbids the CIA from conducting domestic surveillance. The act was signed into law by President Harry S. Truman.

The National Security Act of 1947 created the National Security Council. The Act was designed by President Truman...and until the creation of the Department of Homeland Security in Nov. 2002, the National Security Act of 1947 was the most substantial change made to the military and foreign policy apparatus since the country was created.

The National Security Act was signed into law by President Harry S. Truman on July 26, 1947. Therefore, President Truman was the president during the enactment of the National Security Act.

The National Security Act of 1947 created the National Security Council. The Act was designed by President Truman...and until the creation of the Department of Homeland Security in Nov. 2002, the National Security Act of 1947 was the most substantial change made to the military and foreign policy apparatus since the country was created.

The three institutions that the National Security Act of 1947 established was the Department of War, the Department of the Air Force, and the Central Intelligence Agency. The Act was signed into law on July 26, 1947.