| 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 Seward | American Secretary of State who engineered the purchase of Alaska |
| Pearl Harbor | naval base built in Hawaii by the US navy |
| Sanford B. Dole | first governor of Hawaii |
| Jose Marti | Cuban poet and journalist who advocated Cuban independence from Spain |
| 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 |
| Pancho Villa | rebel who fought the Mexican government and raided American border towns |
| Emiliano Zapata | Mexican rebel dedicated to land reform |
| John J. Pershing | general who led the effort to catch Pancho Villa in 1916 |