Executive branch By 3069775 1791 Whiskey Rebellion George Washington 1794 Jay Treaty Martin van Buren 1800 Treaty of Mortefontaine John Adams 1803 Louisiana Purchase Thomas jefferson 1839 Panics of 1837 & 1839 Martin van Buren 1846 Oregon treaty James K Polk 1850 Clayton-Bulwer Treaty John M Clayton 1853 kanagawa treaty Millard fillmore 1861 civil war Abraham Lincoln 1900 Boxer Rebellion Herbert Hoover 1901 Big Stick Diplomacy Theodore Roosevelt 1901 Square deal Theodore Roosevelt 1913 federal Reserve Act Woodrow Wilson 1914 Veracruz incident Woodrow Wilson 1924 Dawes Plan calvin coolidge 1929 Great Depression ended Franklin D Roosevelt 1937 Neutrality Act of 1937 Franklin D Roosevelt 1945 Fair deal Harry Truman 1948 Marshall plan Harry Truman 1954 SEATO Dwight D Eisenhower 1961 Alliance Plan John F Kennedy 1961 Peace Corps John F Kennedy 1964 Gulf of Tonkin Resolution Lyndon johnson 1964 Tariff of Abominations Lyndon Johnson 1970 Watergate Richard Nixton 1978 Camp David Accords Jimmy Carter 1979 SALT Jimmy carter 1985 iran-contra Affair Ronald regan 2001 9/11 George W Bush 2011 Persian Gulf war George W Bush