| A | B |
| early 1800's | 4 countries claim Oregon; US, Britain, Russia,Spain |
| 1818 | US and Britain agree to share Oregon |
| 1800's | fur trade becomes very popular |
| 1840's | wagon trains move west; "Oregon Trail" |
| mountain men | hardy fur trappers who lived off the land |
| rendezvous | a meeting place for mountain men and fur trappers |
| John Jacob Astor | founded the American Fur Company, became quite rich |
| James Beckworth | African American, Crow Indian Chief, discovered mountain pass through Sierra Nevadas |
| Marie Dorian | mountain woman, famous for survival skills |
| Tejanos | Mexicans who lived in Texas |
| Gonzales | Texas town where Texans clashed with Mexican troops and won |
| San Antonio | Santa Anna marched here with large army to battle Texans |
| Alamo | Spanish mission where Texans lost battle, Davy Crocket died here |
| siege | when enemy forces try to capture city by surrounding it or bombarding it |
| revenge | Americans joined Sam Houston after Alamo fell |
| Battle of San Jacinto | 1836; surprise attack on Santa Anna's army; Santa Anna captured, signed treaty |
| Lone Star Republic | flag with single white star, flag of Texas |
| William Becknell | 1st American to head to Santa Fe to trade, established the Santa Fe Trail |
| missions | areas built up by missionaries to spread religion |
| Manifest Destiny | the belief that US was meant to expand to Pacific Ocean, some Americans felt justified in taking land of Indians and Mexicans |
| John Fremont | American explorer, took command of rebel forces in CA drove Mexican troops out |
| General Winifield Scott | led American Army at Veracruz |
| Stephen Kearny | the general who captured Santa Fe then took control of Southern CA |
| Treaty of Guadalupe Hidalgo | forced Mexico to ced all of CA and NM |
| Mexican Cession | lands acquired from Mexico after treaty for $15 mil. |
| Gadsen Purchase | land purchased for railroad |
| Horace Greeley | coined term"Go West" |
| Marcus & Narcissa Whitman | missionary couple, tried to convert Native Americans to Christianity |
| forty niners | groups of people who went to California during Gold Rush |
| vigilantes | people who took the law into their own hands |
| 49 degrees north | compromise line deeding Oregon territory to US |