Answer:
During the Korean War, General Douglas MacArthur challenged President Harry S. Truman's authority as foreign policy leader and commander in chief of the armed forces. This resulted in the first major test of civilian control of the military in American history.
Explanation:
Had no effect on the war I think because it was fought after the treaty was already signed.
Answer:
Hi Leti,
When America Fought in WWI and Became a Global Power. ... Swinging its industrial might and vast manpower behind France and Britain against Germany and its allies on April 6, 1917, the United States tipped the balance of the conflict and marked its own emergence as a global power