| A | B |
| Manifest Destiny | the idea that the U.S. had a God-given right to expand |
| imperialism | taking over other areas as colonies |
| Alfred Mahan | wrote the Influence of Sea Power on History |
| Social Darwinism | said that some races were naturally superior to other races; justified imperialism |
| Social Gospel | this said that wealthier and more powerful nations should help the poorer nations |
| Matthew Perry | He opened U.S.-Japanese trade in 1854 |
| William Seward | Sec. of State who bought Alaska in 1867 |
| Washington's Farewell Address | this warned the U.S. to stay neutral and to avoid alliances |
| Monroe Doctrine | warned Europe to stay out of our hemisphere and the U.S. would stay out of theirs |
| Open Door Policy | this proclaimed that China was open to trade with all nations |
| Boxer Rebellion | revolt in China in 1900 to oust foreigners in China; it failed |
| Hawaii | annexed to the U.S. as a territory in 1898 |
| Yellow Journalism | using sensationalism to sell newspapers or magazines; contributed to causing the Spanish-American War |
| Platt Amendment | said that the U.S. could send troops into Cuba at any time to keep the peace there |
| Teller Amendment | this was attached to our declaration of war on Spain in 1898, and it said we would not keep Cuba |
| Panama Canal | the U.S. began building this in 1904 after helping Panama have a rebellion against Colombia |
| Philippines | acquired from Spain for $20 million after the Spanish-American War |
| The Roosevelt Corollary | "Big Stick Policy"; says the U.S. could invade any country in this hemisphere to keep the peace |
| Dollar Diplomacy | the idea of using U.S. financial power to get Latin American nations to comply with American wishes |
| Teddy Roosevelt | became famous for his charge up San Juan Hill (actually it was Kettle Hill) during the Spanish American War |
| Cuba | the U.S. supported this place in its rebellion against Spain in 1898 |
| USS Maine | the explosion and sinking of this ship in 1898 led to war with Spain |
| malaria | this killed many U.S. soldiers during the Spanish American War |
| George Dewey | became a hero in the Spanish-American War when the U.S. navy under his command captured Manila in the Philippines |
| Good Neighbor Policy | passed by Franklin Roosevelt, it said the U.S. should not interfere with countries in this hemisphere |
| Archduke Ferdinand | heir to the Austro-Hungarian throne assassinated in 1914 |
| Woodrow Wilson | president of the U.S. during World War I |
| U-Boats | German submarines |
| Lusitania | British passenger ship sunk by the Germans; 128 Americans died |
| 1917 | the year the U.S. entered World War I |
| 1914 | World War I began in this year |
| 1918 | this was when World War I ended |
| Schenck v. the U.S. | this case ruled that speech can be limited if it poses a "clear and present danger." |
| Eugene Debs | Socialist leader of the IWW arrested in 1918 for speaking out against World War I |
| Sedition Act | this law during World War I made it illegal to criticize the war effort, the draft, or the President |
| Senate | all treaties must be approved by this |
| Henry Cabot Lodge | Senator who was strongly against the Treaty of Versailles and the League of Nations |
| Food Administration | asked citizens during WWI to voluntarily grow Victory Gardens and use less food |
| War Industries Board | set prices and production during WWI |
| William McKinley | president during the Spanish-American War |
| Fourteen Points | Wilson's plans for peace after World War I |
| Treaty of Versailles | this ended World War I |
| Big Four | nickname for those who made up the Treaty of Versailles |
| League of Nations | organization wanted by Wilson to allow nations to talk out problems rather than resort to war |
| North | African Americans moved here in droves during WWI to get jobs |
| Zimmerman Note | secret message from Germany to Mexico urging Mexico to declare war on the U.S. |
| War Bonds | used by the U.S. government during WWI to help finance the war effort |
| Doughboys | nickname for U.S. soldiers in WWI |
| Over There | popular song during WWI about the U.S. sending troops to Europe |
| President Carter | he signed two treaties in 1977 to give the Panama Canal back to Panama |
| "White Man's Burden" | the idea that European nations and the U.S. had a duty to civilize the backward nations of the world |
| creditor nation | what the U.S. became as a result of World War I |
| isolationism | American policy of staying out of the affairs of other nations |
| IWW | socialist union that opposed World War I and the government cracked down on them hard during the war |
| Business | many Americans believed expansion into the Pacific and other areas would be good for this |
| Philippines, Guam, Puerto Rico | the U.S. acquired all of these as a result of the Spanish-American War |