Across
- 5. Arranged in a difficult way
- 8. An early city
- 9. A resource to build something else
- 11. fine particles of rock
- 16. farming
- 18. One of the two biggest rivers in Southwest Asia
- 20. A time before C.E
Down
- 1. In ancient times, the geographic area located between the Tigris and Euphrates rivers
- 2. To build
- 3. A small town
- 4. A time before A.D
- 6. To keep something in good shape
- 7. Something above or between
- 10. A strong disagreement
- 12. One of the two largest rivers in Southwest Asia
- 13. Combined villages
- 14. Supply of water on land
- 15. An area in southern Mesopotamia where cities first appeared
- 16. A time after B.C
- 17. A wall built from earth
- 19. A time after B.C.E
