Across
- 1. A supply that can be used as needed
- 4. To produce/distribute goods and services
- 5. Cities, organized government, and workers
- 7. People follow herds from place to place
- 9. Belief in more than one god
- 11. Different ranks/levels in society
- 12. Anything made and used by humans
- 14. Exchange goods directly without money
- 15. System of writing using shapes
- 16. The natural world was filled with spirits
- 17. Elements that show way of life of people
Down
- 1. A set of shared spiritual beliefs
- 2. Soldiers who fight while riding horses
- 3. Change in thinking, working, or living
- 6. Pyramid-shaped brick towers
- 8. Working at a single job or craft
- 9. The time before written records
- 10. Change the way of life
- 12. Study human life in the past
- 13. Supply water to crops
