timetoast 3 By big_daddy.keith 1797 Treaty of Tripoli John Adams 1807 6. Embargo Act of 1807 Thomas Jefferson 1846 Mexican-American War James K. Polk 1867 Alaska Purchase Treaty Andrew Johnson 1899 Open Door Policy William McKinley 1918 14 Points Woodrow Wilson 1928 Kellogg-Briand Pact Calvin Coolidge 1945 Yalta Conference Franklin D. Roosevelt 1950 Korean War Began Harry Truman 1957 Eisenhower Doctrine Dwight D. Eisenhower 1962 Cuban Missile Crisis James Monroe 1975 Fall of Saigon Gerald Ford 1979 Iran Hostage Crisis Jimmy Carter 1983 Strategic Defense Initiative Ronald Reagan 1993 Oslo Accords Bill Clinton 2006 Peaceful Atomic Energy Cooperation Act George W. Bush