Across
- 2. hundred years
- 5. study of artifacts to learn history
- 6. ice age animal that crossed the land bridge
- 8. high landform with a flat top
- 10. Before Christ
- 11. bringing water to dry land with ditches
- 14. more than what is needed
- 15. waterway between Russia and Alaska
- 17. people owning other people
- 18. large territory ruled by one person
- 19. plant farmed by Native Americans
- 20. capital city of Aztec empire
- 22. payment demanded by a ruler
- 23. Anno Domini
- 24. farming
Down
- 1. monumental building shaped like a triangle
- 3. ten years
- 4. huge sheet of ice
- 7. tool used to organize dates in history
- 9. to move from place to place
- 10. trade what you have for what you want
- 12. no rain
- 13. thousand years
- 16. human made object from the past
- 21. long period of low temperatures