Across
- 3. an ancient city in mesopotamia
- 4. finely ground fertile soil
- 8. a large arc of fertile land between the Persian Gulf and Mediterranean sea
- 10. a way of supplying water to an area of land
- 11. a political unit consisting of a city and a surrounding countryside
- 13. where the world's first civilization was developed
- 15. more than is needed
- 17. picture symbols
- 19. people who perform religious ceremonies
- 20. land with different territories and peoples under a single rule
Down
- 1. human-made waterways
- 2. the world's first system of writing
- 5. each worker specializes in a different job
- 6. the division of society by rank or class
- 7. the science of building
- 9. the worship of many gods
- 12. a wheeled, horse-drawn cart used in battle
- 14. long poems that tell stories of heros
- 16. a pyramid-shaped temple in sumer
- 18. a writer
