Across
- 3. Thousands of settlers searched for gold in California
- 8. A person who discovered gold in California
- 9. Merge territory into an existing country or state
- 10. A belief that the U.S. was supposed to expand
- 12. This person was the commander of the Texas army at the Battle of San Jacinto
- 13. The nickname of the republic of Texas when it was independent from Mexico
- 15. A person's movement from one country to another
Down
- 1. American rebellion against Mexican rule over California
- 2. These people were trappers and explorers
- 4. This person was a U.S. general who led the battle over the territory of the Rio Grande
- 5. This U.S. president supported westward expansion
- 6. A famous explorer who discovered the South Pass
- 7. A battle between Mexico and Texas
- 11. Spanish explorers gave this name to Texas
- 14. A person who searched for gold in California
