Across
- 1. Animals that changed Native American life
- 4. Explorer who reached the Americas in 1492
- 6. A trip to explore or settle land
- 12. U.S. land purchase that doubled the country
- 13. Government forcing Native Americans to move
- 14. Agreement between Native tribes and the U.S.
- 15. Valuable metal people searched for
- 17. First meeting between Native Americans and Europeans
- 18. Trail settlers used to move west
Down
- 2. Forced moving of Native Americans west
- 3. Spanish explorer looking for gold and land
- 4. Places controlled by European countries
- 5. Belief that Americans should move west
- 7. Trade of plants, animals, and diseases between worlds
- 8. Natural barrier settlers crossed
- 9. Shelter used by Plains tribes
- 10. Deadly disease that spread to Native Americans
- 11. Large areas claimed by the United States
- 16. People who already lived on the land