| A | B |
|---|
| Mountain Men | trappers who wandered through Oregon living off the land |
| Marcus and Narcissa Whitman | missionaries who came to Oregon the convert Indians to Christianity |
| Stephen Austin | leader of the first American colony in Texas |
| Sam Houston | Texas army commander and first president of the Lone Star Republic |
| William Becknell | businessman who opened up Santa Fe to Amercan traders |
| Junipero Serra | Spanish priest who built missions along the California coast |
| James Polk | president who firmly believed in Manifest Destiny |
| Mormons | religious group that settled in Utah; member of the Church of Jesus Christ of Latter-day Saints |
| Brigham Young | leader of the Mormons after the death of Joseph Smith |
| Salt Lake City | large city that the Mormons built in the desert |
| forty-niner | person who journeyed to California in 1849 |
| vigilantes | self-appointed law enforcer |
| Rio Grande | river that Texas claimed as its southern border |
| Nueces River | river that Mexico claimed was the Texas border |
| Battle of Buena Vista | battle in whick Zachary Taylor defeated General Santa Anna |
| cede | to give up |
| Mexican Cession | lands acquired from Mexico in 1848 for $15 million |
| Bear Flag Republic | name given to California by John Fremont and his band of rebels |
| Gadsden Purchase | land in present-day Arizona and New Mexico sold by Mexico in 1853 for $10 million |
| rendezvous | yearly meeting where Mountain Men traded furs for supplies |
| annex | add on, as land |
