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