| A | B |
|---|
| Lewis and Clark expedition | a journey made from 1804 to 1806 by Meriwther Lewis and William Clark to explore the territory gained in the Louisiana Purchase |
| Legacy | a person's or a group's impact on future generations |
| Rancho | a land grant made by the Mexican government, used mostly for raising cattle and crops |
| Oregon Trail | an overland route that stretched about 2,000 miles from Independence, Missouri, to the Columbia River in Oregon |
| Mormons | members of the Church of Jesus Christ of Latter-Day Saints, founded by Joseph Smith in 1830 |
| Forty-Niners | the people who joined the rush for gold in California in 1849 |
| 1806 | When did Lewis and Clark return to St. Louis and write to Jefferson? |
| May 1804 | When did the 45-member expedition leave St. Louis? |
