American Foreign Policies By kennethjordonmiller Jul 7, 1861 French Invasion of Mexico Apr 23, 1898 Spanish-American War begins May 5, 1900 Trade Wars in China Jun 28, 1902 Panama Canal Authorized Apr 6, 1917 U.S. enters World War 1 Dec 7, 1941 U.S. enters World War 2 Oct 24, 1945 United Nations Established Jun 1, 1948 Berlin Blockade Jun 25, 1950 Korean War begins May 5, 1962 Cuban Missile Crisis Jan 20, 1965 U.S. commits to Vietnam War Nov 23, 1972 SALT 1 Pact Jan 9, 1979 Soviet Invasion of Afghanistan Mar 20, 2003 Operation Iraqi Freedom