Across
- 1. flat mountain
- 8. gradually weakened and destroyed
- 10. established customs and activities
- 11. disturbing or breaking into without being wanted
- 13. the way a particular group of people lives
- 15. very intelligent
- 17. an open grassland
- 19. an agreement
- 20. took over the place or position of
Down
- 2. doing well or being successful
- 3. many more that what is needed
- 4. usual or accepted practices
- 5. ideas about what is important
- 6. and argument or fight
- 7. an area of land given to Native Americans
- 9. the act of becoming larger
- 11. effect on something
- 12. strong opinions
- 14. arguments or debates
- 16. resources materials that come from nature
- 18. wealth and riches