Across
- 2. _____ class soon developed
- 4. supplying land with water from another place
- 6. the wheel and ____ were invented around 235000 BC
- 9. planting and harvesting crops
- 12. more than what is needed
- 14. if combined with copper, it makes bronze
- 15. many different _____ came into contact with each other
- 16. were traded when trading with other traders
- 18. ________ ships now carried goods across seas and rivers
- 20. artisans learned to make _____ around 6600 BC
- 21. a society with cities, a central government, and workers who do various jobs
Down
- 1. trade over ______ developed
- 3. made by refining copper with tin
- 5. kept order, settled disputes, and provide services
- 7. what settlements grew into
- 8. trade goods could be loaded into carts and _____
- 10. a worker who is skilled in crafting items by hand
- 11. cities had large ______ buildings
- 13. food surplus allowed for rapid ______ growth
- 17. people didn't have to spend all their days____ food
- 19. took valuable items far away