| A | B |
| vertical | owing all the means of production |
| Horizontal | buying out smaller competitors in the same business |
| nativism | Overt opposition to immigrants |
| Carnegie | Steel Tycoon |
| Rockefeller | Standard Oil Tycoon |
| Vanderbilt | Railroad Tycoon |
| Custer | Killed at the Battle of Little Bighorn |
| Roosevelt | Square Deal |
| Taft | Trust Buster |
| Wilson | Nineteenth Amendment |
| Immigrant | Enters the US from another country |
| Ellis Island | Immigration Station in New York |
| Angel Island | Immigration Station in California |
| Chinese | Immigrants that entered from Angel Island |
| Sinclair | Muckraker; wrote "The Jungle" |
| Riis | Muckraker, photographer of tenement slums |
| Reconstruction | Period after the Civil War that rebuilt the Union |
| Black Codes | Local laws designed to return freed black into a state of slavery |
| Segregation | deliberate separation of the races |
| Muckraker | Person who exposed social problems |