Across
- 3. a length of time
- 4. People who travel from place to place to follow their animals
- 5. An oversupply of something
- 6. giving goods to people to recieve goods
- 7. Making animals useful for humans
- 9. the time where stone tools were the main form of technology
Down
- 1. Main form of technology in both ages
- 2. the main idea that made the NSA the NSA
- 4. the time where a big idea changed how we found food
- 8. Small units of people from 20-50