Across
- 3. dependable, steady; not risky
- 4. anything made and used by humans
- 7. surroundings
- 9. people who move from place to place with their herds
- 11. "wise" or "clever" man
- 12. when people leave their homeland to live somewhere else
- 13. a closely interconnected group of people or things
Down
- 1. a continent
- 2. the time before written records
- 5. complete change in the ways of thinking, working, or living
- 6. something that can be used as proof
- 8. something that is not available until it is made for the first time
- 10. change your way of life
