| A | B |
| Open Door Policy | A policy that opened trade with China in 1901 |
| yellow journalism | A type of newspaper coverage that emphasized sensational stories |
| Panama Canal | A passage that shortened the trade route from the Atlantic to the Pacific |
| Roosevelt Corollary | An addition to the Monroe Doctrine allowing the U.S. to "police" Latin America ("Speak softly and carry a big stick") |
| Dollar Diplomacy | President Taft's policy in Latin America that emphasized economic investment |
| Moral Diplomacy | President Wilson's policy in Latin America that emphasized U.S. support for democratic nations |
| Good Neighbor Policy | President FDR's policy in Latin America emphasizing the need for the U.S. to establish diplomatic relations and relieving tension |
| Spanish American War | The U.S. became a world power by freeing Cuba and gaining the Philippines, Guam and Puerto Rico |
| "Remember the Maine" | A slogan used by newspaper journalists to rally support for war against Spain in 1898 |
| sphere of influence | Area of economic and political control exerted by one nation over another nation (ex. China) |