| Term | Definition |
| assimilation | plan to make Native Americans part of white culture |
| chisholm trail | a major cattle trail from San Antonio in Texas to Abilene in Kansas |
| dawes act | law that broke up Native American reservation |
| Treaty of Fort Laramie | The Sioux agreed to live on the reservation along the Mississippi River |
| George A. Custer | u.s general commanded his army at battle of little big horn. he was killed |
| Ghost dance | A ritual the Sioux performed to bring back the buffalo and return the Native American tribes to their land. |
| great plains | a mostly flat and grassy region of western north america |
| long drive | three-month long overland transport of cattle |
| longhorn | Breed of sturdy cattle brought by the Spanish to Mexico and suited to the dry conditions of the Southwest. |
| sandcreek massacre | when the U.S. Army killed 200 cheyenne |
| Sioux | Native American tribe of the northern plains (Dakota, Wyoming, and Montana) who resisted white expansion |
| sitting bull | American Indian chief, he lead the victory of Little Bighorn |
| vaquero | Spanish word for cowboy |
| battle of wounded knee | US soldiers massacred 300 unarmed Native American in 1890. This ended the Indian Wars. |