Across
- 2. a supply of organic things we can use as needed
- 4. one of two rivers in Mesopotamia
- 7. an ancient city in Mesopotamia
- 8. the best person of all time ever
- 10. a government containing several countries or territories
- 12. farming
- 14. belief in a single god
- 17. a system that supplies water to farms
- 19. belief in multiple gods
- 20. the number of people who live in a place
- 21. a complex society with cities and government
Down
- 1. a great invention that relies on an axle in the center
- 3. when people spend most of their time working at a single job or craft
- 5. the first form of writing
- 6. more food than is needed
- 9. a set of shared beliefs about supernatural powers
- 11. Neolithic farming village in southern Turkey
- 13. temple in Sumerian cities
- 15. one of two rivers in Mesopotamia
- 16. the place where we developed our first civilization
- 18. change animal behavior to suit humans