Notebook Olympics

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