Across
- 2. highland caves in the Americas
- 5. large population centers
- 7. farming village that developed in China’s river valley
- 8. exchange of goods
- 9. farming village that developed in the Nile River Valley
- 11. also known as metalworking
- 12. people who do different jobs in a society
- 14. hand-held tool used to harvest grain
Down
- 1. cultural hearth that developed in northern China
- 3. a kind of stone used in ancient times to make tools
- 4. organization that makes and enforces rules
- 6. early cultural hearth in Southwest Asia
- 10. extra items that can be used for trading
- 13. organizing and storing information