Across
- 6. unify people
- 7. ends in 1911[1st chinese revolution]
- 9. farming
- 10. affects distribution of population
- 12. isolation
Down
- 1. reflects a society's technology
- 2. sahara desert and desertification
- 3. diverse geographical features
- 4. trade
- 5. dependency on trade interdependent
- 8. along river valleys/fertile soil.
- 11. social order
