| A | B |
| Allies | Nations that opposed the Central Powers in W.W.1: Britain, France, Russia and the United States. |
| Liliuokalani | Monarch of Hawaii, deposed by American planters. |
| scientific management | Improved efficiency by managing time, breaking tasks down into small parts, and using standardized tools. |
| J. Edgar Hoover | Headed the Justice Department's General Intelligence Division, which became the FBI. |
| Mark Twain | Famous anti-imperialist writer and speaker: Wrote novels about American life. |
| U.S.S. Maine | Battleship that exploded in Havana harbor which was one of the causes of the Spanish-American War.r |
| Dollar Diplomacy | President Taft's foreign policy that placed emphasis on helping Latin American industry and economic development. |
| Muckrakers | Writers who exposed corruption, scandal, and social problems. |
| Woodrow Wilson | Progressive Democratic president who led the U.S. during W.W.1. |
| Matthew C. Perry | Leader of an American expedition to open trade with Japan. |
| Recall | A special election to remove an elected official from office before his or her term had expired. |
| Protectorate | Stronger nation defended local rulers from rebellions, but in exchange, local rulers had to accept advice from the stronger nation on how to govern. |
| Contraband | Prohibited materials being sent to a warring nation by one of its enemies. |
| Theodore Roosevelt | Progressive President who won the Nobel Prize and ran for president as the Progressive Party candidate. |
| Red Scare | 1919 panic that Communists might seize power in the U.S. |
| William Randolph Hearst | Famous "yellow journalist." |
| Bolsheviks | Communists who overthrew the Russian government and took Russia out of W.W.1. |
| Referendum | Proposed legislation submitted to the voters instead of their representatives for approval. |
| Pan-Americanism | The idea that Latin America and the United States should work together. |
| Anglo-Saxonism | The idea that the English-speaking nations were destined to dominate the planet. |
| Imperialism | The economic and political domination oof a strong nation over other weaker nations. |
| Platt Amendment | Governed relations between the United States and Cuba, effectively making Cuba into an American protectorate. |
| Hay-Pauncefote Treaty | Gave the United States the exclusive right to build and control any proposed canal through Central America. |
| Roosevelt Corollary | Declared that the U.S. would intervene in Latin American affairs when necessary to maintain economic and political stability. |
| Open Door Policy | Said that all countries should be allowed to trade with China. |
| Boxer Rebellion | Uprising in China that besieged foreign embassies in Beijing and killed more than 200 foreigners. |
| Foraker Act | Made Puerto Rico an "unincorporated territory" of the United States outside the peotections of the U.S. Constitution. |
| Emilio Aguinaldo | Nationalist who led the revolt in the Philippines against Spain and later the U.S. |
| Triple Entente | Alliance of Britain, France and Russia before W.W.1. |
| Propaganda | Information designed to influence opinion. |
| U-boats | German submarines |
| Nationalism | Intense pride in a nation's homeland. |
| Restricted Submarine Warfare | Agreement that a ship would be stopped, searched and warned before it was sunk for carrying contraband. |
| Pancho Villa | Led a group of Mexican guerrillas that burned Columbus, New Mexico. |
| Liberty/Victory Bonds | Used to raise money to cover the costs of W.W.1. |
| Sedition Act of 1918 | Made any public opposition to the war illegal. |
| Great Migration | When many African Americans left the South to settle in Northern cities. |
| War Industries Board | Created to coordinate the production of war materials. |
| John J. Pershing | Commander of the American Expeditionary Force to Europe in 1917-1918. |
| reparations | Payments for war damage. |
| Armistice | A cease-fire, such as that which stopped the fighting in November, 1918. |
| Fourteen Points | Wilson's program for a post-war peace settlement. |
| General Strike | Involved all the workers living in a certain location, not just workers in a particular industry. |
| Zimmermann Telegram | Communication between Germany and Mexico which offered help in recovering territories lost ti the U.S. during the Mexican War. |
| A. Mitchell Palmer | Attorney General who allowed raids on radical groups during the Red Scare. |
| League of Nations | Organization proposed to preserve peace and prevent future wars. |
| "Doughboys" | Nickname for American soldiers in W.W.1. |
| Convoy System | Groups of merchant ships protected by fast warships. |
| Calvin Coolidge | Massachusetts governor who was praised for his opposition to the Boston Police Strike.was praised for his |
| Moral Diplomacy | President Wilson's foreign policy of "teaching democracies to elect good men." |