Across
- 2. raised roads made of packed earth
- 5. bridges Glaciers formed, exposing ___ that helped hunters reach North America.
- 6. a society or people sharing a language, territory, and economy
- 8. political unit that controls a city and its surrounding land
- 11. wide, flat steps of land
- 12. What civilization built terraces to grow more food?
- 14. to as stated by
Down
- 1. cord or string with knots that stood for numbers or categories
- 2. composed of two or more parts
- 3. to stay in one place and to begin to build permanent structures
- 4. thick sheets of ice
- 7. The ___ were able to support their civilization by cultivating a surplus of food.
- 9. extra, more than needed
- 10. What civilization was city-states important for their basic political unit and acted as center of trade?
- 13. ___ constructed causeways to link the capital to the mainland.
