| A | B |
| Imperialism | Strong nations extend control over weaker governments |
| Extractive economy | Extracting or removing raw materials from the colonies to the home country |
| Social Darwinism | The fittest country survives |
| Yellow Press | Sensational headlines and pictures |
| Jingoism | Aggressive nationalism |
| Rough Riders | Calvalry unit organized by Roosevelt who relished the strenusous life |
| Treaty of Paris | Officially ended the Spanish American War |
| Insurrection | Rebellion |
| Guerrilla warfare | Warfare involving small bands of fighters behind enemy lines |
| Sphere of influence | A dominated or controlled region by another country |
| Boxer Rebellion | Violence in China by a secret group |
| Open Door Policy | Wanting free trade not control |
| Gentlemen's Agreement | America agree to end segregation in schools; Japan agreed to limit emigration to US |
| Great White Fleet | Armada of 16 white battleships on a good will cruise around the world |
| Foraker Act | Established a Puerto Rico civil government |
| Platt Amendment | Restricted rights of Cubans; Brought Cuba under US influence |
| Big Stick Diplomacy | Roosevelt sadi that US needed to assert international leadership |
| Roosevelt Corollary | Continued Monroe Doctrine to keep Western Hemisphere free from Europe intervention |
| Moral Diplomacy | Wilson - US would not use force to assert influence but would work to promote human rights |
| Dollar diplomacy | Taff - Expanding American investments abroad |