Crossword puzzle

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Across
  1. 2. an extinct species or subspecies of archaic humans who lived in Eurasia until about 40,000 years ago.
  2. 5. the stage of human social and cultural development and organization that is considered most advanced.
  3. 6. a line of hereditary rulers of a country.
  4. 9. a rectangular stepped tower, sometimes surmounted by a temple.
  5. 10. the belief in or worship of more than one god.
  6. 13. a society or organization founded for a religious, educational, social, or similar purpose.
  7. 14. the artificial application of water to the soil through various systems of tubes, pumps, and sprays.
  8. 15. the process of taming an animal and keeping it as a pet or on a farm.
  9. 16. to move from one country, place, or locality to another
  10. 17. a grouping based on similar social factors like wealth, income, education, and occupation.
  11. 19. machinery and equipment developed from the application of scientific knowledge
Down
  1. 1. the later part of the Stone Age, when ground or polished stone weapons and implements prevailed.
  2. 3. he wealth and resources of a country or region
  3. 4. a member of a culture in which food is gotten by hunting, fishing, and gathering rather than by agriculture
  4. 7. denoting or relating to the wedge-shaped characters used in the ancient writing systems of Mesopotamia, Persia, and Ugarit, surviving mainly impressed on clay tablets.
  5. 8. the separation of a work process into a number of tasks, with each task performed by a separate person or group of persons.
  6. 11. the art and science of cultivating the soil, growing crops, and raising livestock.
  7. 12. the religious leader of the Egyptians
  8. 18. an amount of something left over when requirements have been met.