The National Security Act of 1947 was a major restructuring of the United States government's military and intelligence agencies following World War II. The majority of the provisions of the Act took effect on September 18, 1947, the day after the Senate confirmed James Forrestal as the first Secretary of Defense.
Writing a letter and going through congress and the senate, usually signed off by the president.
Answer:China provided an army for North Korea at a time when UN forces had actually beaten the North Korean Army.
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