Across
- 3. Time before humans invented writing
- 4. Buddhist commemorative burial mound
- 7. Special building used to hold grain
- 11. Act of concentrating on a limited number of goods or activities
- 13. Military ruler
- 16. Worship of many gods or deities
- 18. Payment or gift to a stronger power
- 19. State containing several countries or territories
- 20. Object made by a human being
Down
- 1. Pyramid-shaped Mesopotamian temple
- 2. Soldier who fights for pay rather than for his or her country
- 5. King of ancient Egypt
- 6. Good or service sold within a country that is produced in another country
- 8. Belief that the natural world is full of spirits
- 9. Flat plain formed on the seabed where a river deposits material over many years
- 10. Collection of hundreds of sacred hymns composed by the Aryans of ancient India
- 12. Trading system in which people exchange goods directly without using money
- 14. Territory that is under the control of a larger country
- 15. Group of rocky rapids
- 17. Good or service produced within a country and sold outside the country’s borders