Across
- 3. precious fabric
- 4. valuable traded good
- 7. huge advanced civilization
- 11. for smart people
- 12. one thing for another
- 13. people who gathered info traveling
- 14. waves
- 16. camel continent
- 17. east Asian country
- 18. crusade continent
- 19. main concentration
- 20. Islam, Buddhism, etc
Down
- 1. farming and agriculture
- 2. financial transaction
- 5. similar community
- 6. state over main gov
- 8. absorbing knowledge
- 9. people who spread ideas, products, etc.
- 10. fighting
- 14. desert
- 15. aztecs, mayans, incas