| A | B |
|---|
| Manifest destiny | The 19th century belief that the United States would inevitably expand westward to the Pacific Ocean and into Mexican territory. |
| Santa Fe Trail | A route from Independence, Missouri, to Santa Fe, New Mexico, used by traders in the early and mid 1800's. |
| Oregon Trail | A route from Independence, Missouri, to Portland, Oregon, used by pioneers traveling to the Oregon Territory. |
| Stephen F. Austin | A Texas colonist and epresario, after the number of anglo settlers swelled in Texas he petitioned for greater self-government which inevitably lead to the Texas revolution. |
| Texas Revolution | The 1836 rebellion in which TExas gained its independence from Mexico. |
| The Alamo | A mission in San Antonio, Texas, where Mexican forces massacred rebellious Texans in 1836. |
| Sam Houston | The rebel commander in chief who captured Santa Anna bringing about Texan independence from Mexico. |
| James K. Polk | Winner of the 1844 presidental campaign, pushed for the annexation of Texas, and later encouraged war with Mexico in hopes to gain California and New Mexico. |
| Bear Flag Republic | The nation proclaimed by American settlers in California when they declared their independence from Mexico in 1846. |
| Treaty of Guadalupe Hidalgo | The 1848 treaty ending the U.S. war with Mexico, in which Mexico ceded California and New Mexico to the United States. |
