Across
- 4. Oldest Mesopotamian settlement
- 8. brought water to the crops from the
- 10. forced people to move from the
- 12. very fine mud
- 15. Sea
- 18. surrounds a city-state for protection
- 20. to flow farmland during droughts
- 22. located
- 24. Sumerians built this to control the
- 25. earth walls to help prevent flooding
- 26. water levels in a canal
- 27. to the river valleys
- 28. "land between the rivers"
Down
- 1. Gulf
- 2. one of the rivers within the Fertile
- 3. low lying, flat land
- 5. modern-day country in which Mesopotamia
- 6. are poked into the leeves to allow
- 7. main reason for fighting between
- 9. Mesopotamians moved from here to the
- 11. valley
- 13. controlled the flow of trade on the
- 14. region in the Middle East; shaped like
- 16. river that empties into the
- 17. special gates that raised and lowered
- 19. independent self-governing city
- 21. located outside the city wall
- 23. created to store water for later use