Across
- 4. A system that supplies dry land
- 7. Somebody who believes in one god
- 8. A person who studies outer space
- 9. Particles of fertile soil
- 10. Official record keepers
- 13. A piece of writing developed by the sumerians
- 14. Forced payments
Down
- 1. A group of merchants traveling together
- 2. An independent political unit
- 3. A structure that is shaped like pyramid
- 5. A long poem that records certain deeds of superheros
- 6. A large territory governed by one ruler
- 7. Political districts
- 11. Extra amounts
- 12. A person with many ideas
- 15. A geographic area