Across
- 5. a human being who hunts animals and gathers plants for food, moving to a different location whenever such food becomes scarce
- 9. worship of a god, gods, or spirits
- 11. skill in one type of work
- 13. an amount produced in excess of what is needed
- 14. a system for creating order and providing leadership
Down
- 1. to raise and tend (a plant or an animal) to be of use to humans
- 2. the cultivation of soil to produce useful crops
- 3. people's application of knowledge, tools, and inventions to meet their needs
- 4. a movement from one region or country to settle in another
- 6. the watering of crops
- 7. relating to a type of agriculture in which patches of land are prepared for planting by cutting down and burning the natural vegetation
- 8. a person trained in a particular skill or craft
- 10. class group of people with similar customs, backgrounds, training, and income
- 12. a member of a group of people who have no set home but move from place to place