Across
- 2. State political unit that controls a city and land
- 4. entire way of life for a group of people
- 6. small communities
- 8. a cord or string with knots used as numbers
- 9. wide flat steps of land for farming
Down
- 1. a complex society of people sharing
- 3. extra amounts of something
- 5. thick sheets of ice
- 7. raised roads made of packed earth
