Across
- 2. Wandering around in search of food and shelter instead of staying in one spot
- 7. Something left over when needs have been met
- 10. Farming food to sell
- 11. An African group that speaks the language Maa
- 12. An area with little or no moisture
- 13. A land becoming more dry and less productive
- 14. A shortage of rainfall in a region
- 16. Not having enough to meet someone's needs
- 17. Hard:bridges and buildings
- 18. Shared culture
- 19. The practice of a nation conquering territory
Down
- 1. In short supply
- 3. The cutting down of trees
- 4. Power to one person or small group
- 5. The spreading of cultural beliefs
- 6. Someone who hunts and gathers plants to live on
- 8. Natural processes wearing away land's materials
- 9. Farming enough food to only live on
- 15. Applying water to land