| A | B |
| annex | To add territory |
| depression | A period of very low economic activity and high unemployment |
| discriminate | To treat people differently so as to make them inferior |
| endure | To live through something, especially hardship, without giving in |
| enforce | To carry out |
| intervene | To get involved in |
| prejudice | A judgment formed without good information |
| repeal | To revoke or take back |
| reservation | Piece of land set aside by the U.S. government for Native Americans |
| sensational | Arousing interest or emotional reaction through exaggerated details |
| sparsely | Thinly |
| frontier | Sparsely populated area on the western edge of the U.S. settlements |
| Great Plains | The area from the Missouri River to the Rocky Mountains |
| Homestead Act | Law that offered free land to settlers to encourage them to settle in the West |
| Dawes Act | Law designed to encourage Native Americans to become farmers |
| Gilded Age | The late 1800s, a time of great wealth but also of great poverty |
| urbanization | Rapid growth of cities |
| new immigrants | Immigrants arriving from southern and eastern Europe after 1900 |
| mass culture | A common culture experienced by larger numbers of people |
| leisure | Free time |
| vaudeville | Live stage show that featured song, dance and comedy |
| ragtime | Type of jazz music that blended African-American and European musical forms |
| Jim Crow | Laws that enforced segregation |
| segregation | Separation of white and black people in the United States |
| Plessy v Ferguson | Supreme Court ruling that upheld segregation |
| NAACP | Acronym for National Association for the Advancement of Colored People, a civil rights organization formed in 1909 by W.E.B. Du Bois |
| Populist Party | Political party formed mostly by farmers |
| William Jennings Bryan | Democratic and Populist nominee in the 1896 presidential election |
| progressivism | Name given to a gropup of reform movements with related goals around 1900 |
| Theodore Roosevelt | Progressive president who supported conservation and regulating business |
| William Howard Taft | Succeeded Theodore Roosevelt as president of the United States |
| Woodrow Wilson | Progressive president who supported regulating business |
| imperialism | Policy of extending economic, political, or military congrol over other nations |
| Spanish American War | 1898 war between the United States and Spain that was won by the United States |
| yellow journalism | Sensational style of reporting the news by exaggeration or lying |
| Platt Amendment | Part of Cuba's constitution that allowed the United States to intervene in Cuban affairs |
| Panama Canal | Canal built to create a shorter route between the Atlantic and Pacific oceans in Panama |
| Roosevelt Corollary | U.S. policy to intervene in Latin American affairs to maintain stability |
| Fourteen Points | Woodrow Wilson's plan for peace following World War I |
| Great Migration | The movement of African Americans from the rural South to citis, especiall int he North |