| A | B |
| Corral | an enclosure |
| Jerky | dried meat |
| Sun Dance | One of the most important religious ceremonies for the Plains Indians. Thanked the Great Spirit for help in times of trouble |
| Comstock Lode | Large gold strike in the Sierra Nevada. |
| Vigilantes | Self-appointed law enforcers |
| Subsidy | Financial aid or land grant from the government |
| Transcontinental Railroad | Stretches across the U.S. from the Atlantic to the Pacific. Completed in Promontary Point, Utah, in 1869 |
| Vaqueros | Skilled riders who herded cattle. |
| Chisolm Trail | One of the best known cattle trails from Texas to Kansas. |
| Fort Laramie Treaty | Plains Indians agreed to keep a limited area of land. In return they would receive money, tools, and domestic animals. |