Paleolithic Era vs. Neolithic Era and River Valleys

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Across
  1. 5. Arrange rules into a systematic code.
  2. 6. Prehistoric temple aligned with the movements of the sun.
  3. 12. Modern governed humans.
  4. 13. Paleolithic people moving to different places.
  5. 14. A crescent shaped region in Western Asia
  6. 16. The term used to describe modern humans.
  7. 17. A group of people who follow specific traditions.
  8. 18. The time before humans documented history.
  9. 19. The first era of prehistory.
Down
  1. 1. The modern stone age.
  2. 2. An object made by a human.
  3. 3. a rectangular stepped tower, sometimes surmounted by a temple.
  4. 4. Keeping an animal as a pet.
  5. 5. A wedge shape.
  6. 7. The term used to describe nomadic people hunting for food and gathering more food.
  7. 8. A person who copied documents before printing was invented.
  8. 9. A pictorial symbol for a word or phrase.
  9. 10. A person skilled in arts and crafts.
  10. 11. The study of human history.
  11. 15. The second era of prehistory, introducing more advanced objects.