Across
- 4. Fertile soil
- 6. Concrete wall that holds back water
- 7. A shortage of water
- 12. Writers and record keepers
- 13. Belief in one god
- 14. An independent city that governs itself
Down
- 1. Belief in many gods
- 2. Widespread hunger or starvation
- 3. The watering of crops
- 5. Trading goods for goods
- 8. The earliest form of writing
- 9. The wearing away of the earth's surface
- 10. A group of cities with one ruler
- 11. A stepped temple tower