Across
- 1. thick rivers of ice
- 3. group of lands ruled by one leader
- 4. low bridges connecting an island to land
- 7. building with sides shaped like triangles
- 8. culture with organized systems of religion, government, and learning
- 10. practice of holding people and taking away their freedoms
- 11. when an animal dies out
- 12. object made by someone in the past
- 15. bringing water to dry areas with ditches
Down
- 2. to do one kind of job
- 5. made it possible for people to settle in one area
- 6. payment demanded of a ruler
- 9. person who studies artifacts from long ago
- 13. Age period of extreme cold and when ice covered a lot of the land
- 14. more than what you need for your family