| A | B |
| Queen Liliuokalani | the last queen of Hawaii, surrendered Hawaii to the United States |
| imperialism | the policy in which stronger nations extend their economic, political or military control over weaker territories |
| Alfred T. Mahan | author of the The Effects of Sea Power on History |
| William Jennings Bryan | a staunch opponent to the idea of imperialism |
| Valeriano Weyler | harsh Spanish governor who established concentration camps for Cuban rebels |
| yellow journalism | sensational style of journalism which exaggerates the news to gain readership |
| USS Maine | American battleship that exploded in Havana and provided the US an excuse for war against Spain |
| George Dewey | US naval commander who won a major victory against the Spanish navy in the Philippines |
| Rough Riders | Teddy Roosevelt's volunteer cavalry that fought in Cuba |
| San Juan Hill | major victory of the US Army over the Spanish in Cuba |
| Treaty of Paris | ended the Spanish American War and gave Cuba, the Philippines and Guam to the United States |
| Foraker Act | made Puerto Rico a US territory |
| Platt Amendment | restrictions on Cuban independence that the US required before letting the country gain its independence |
| protectorate | a country whose affairs are partially controlled by a stronger power |
| Emilio Aguinaldo | led an uprising against American rule in the Philippines |
| John Hay | Secretary of State who started the Open Door Policy |
| Open Door notes | letters addressed to imperialist nations proposing that nations share their trading rights in China with the US |
| Boxer Rebellion | Chinese revolt against foreigners and Chinese converts to Christianity |
| Panama Canal | started by the French and completed by the Americans, it provided a way to move US warships between two oceans |
| Roosevelt Corrollary | the US promised to intervene to keep order in Latin America should the need arise |
| Grover Cleveland | president opposed to annexing Hawaii |
| Theodore Roosevelt | the man that spoke softly, but carried a big stick |
| Teller Amendment | amendment issued by the US stating Cuban would be free as soon as the war ended |
| Insular Cases | Supreme Court rulings that Puerto Ricans did not have the rights of US citizens |
| Root-Takahira agreement | agreement by which the US and Japan agreed not to bug one another |
| manifest destiny | the idea that God has deemed it appropriate for Americans to expand and take over new territory |
| social Darwinism | the belief that biological processes of natural selection apply to social situations |
| white man's burden | it is the job of the white civilized man to help the uncivilized dark people |
| Great Rapprochement | the last instance where the US and Great Britain had to "make up" with one another |