| A | B |
| gave U.S. a strip of land to complete continental expansion | Gadsen Purchase |
| won the election of 1844 because he favored expansionism | James Polk |
| attracted people to California | gold rush |
| chosen as Mormons' home because of its isolation | Great Salt Lake Valley |
| first white Americans to build permanent homes in Oregon | missionaries |
| Mexico hoped Americans would develop land here | Texas |
| U.S. should expand to the Pacific | Manifest Destiny |
| led Americans to believe Texas might become ally of Britain | Sam Houston |
| California wrote a constitution in 1849 | to stop lawlessness |
| "All of Oregon or none" | slogan to support Manifest Destiny |