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| 1. | This now-U.S. state freed herself from Mexican rule in 1836. |
| 2. | Jefferson's great buy |
| 4. | She helped Lewis and Clark find their way. |
| 5. | Western adventurer known for his famous weapon he invented |
| 7. | This future American president fought the British, Spanish, and Indians, securing Florida for the U.S. |
| 10. | Native-born Mexicans living Texas. |
| 11. | The territory ceded to the U.S. by Mexico in the Treaty of Guadalupe Hildago was referred to as this. |
| 14. | Frontiersman and former U.S. Congressman killed at the Alamo |
| 15. | Texas nickname. |
| 16. | The Five Civilized Tribes followed this to Indian Territory. |
| 17. | Wagon trail named after religious group. |
| 18. | If you were headed to the Northwest Pacific-Coast territories you took this wagon trail. |
| 21. | Mexican dictator who fought Americans twice in two separate wars |
| 24. | What the "49ers' were after. |