United States Involvement in foreign affairs after World War 1

After the United States stepped out its isolationist shell during WWI, they have intervened in foreign affairs multiple times to preserve democracy and act as the international police. It was during the Cold War when America first started to shine as the international police.

Wars

July 28, 1914 - November 11, 1918
December 8, 1941 - August 14, 1945
1947 - 1991
06/25/1950 - 07/27/1953
11/01/1955 - 04/30/1975
10/07/2001 - Present
March 20, 2003 - December 15, 2011
March 2011 - October 2011