| A | B |
| Oregon Country | Oregon, Washington, Idaho |
| Mountain Men | fur trappers |
| Oregon Trail | Trail that left Independence, MO for Oregon Country |
| Tejanos | Mexicans that lived in Texas |
| Alamo | An old spanish Mission |
| The Battle of the Alamo | lasted 12 days |
| Sam Houston | President of Texas |
| Stephen Austin | brought 300 settlers over to Texas |
| Moses Austin | obtained land grant from Mexico |
| Annex | add on |
| Manifest Destiny | Americas right to expand West |
| Santa Fe | Capital of New Mexico Territory |
| President Polk | fifty-four forty or fight |
| Border Dispute | Rio Grande and Nueces River |
| Treaty of Guadalupe Hidalgo | Mexican Cession |
| Gadsden Purchase | $10 for a strip of land |
| Oregon Territory | 49th N latitude line |
| North | anti-slavery |
| South | pro-slavery |
| Pretended to ally with Britain | Texas |