Compare and contrast Americas engagement in World War I, World War II and the Cold War.

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United States involvement, in terms of manpower, was not much in World War I. The US did not declare war until April 1917 and did not start to fully mobilize until late fall of that same year. The United States had been sending money and material to the Allied Powers; this is partially what led to he United Sates getting into the war, as Germany resumed unrestricted submarine warfare in early 1917 in an attempt to win the war. The major powers of Europe courted American involvement in the war well before 1917, but it was doubtful that the United States would join as most Americans perceived this to be a foreign conflict.

The United States became fully involved in World War II on December 7, 1941, after the attack on Pearl Harbor. Before this, however, the United Sates navy was fighting an undeclared war with the German U-boats who were sinking Allied shipping. The US supplied destroyer escorts to Britain through Lend-Lease. American money, supplies, and food helped to prop up first the...

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