Mr. Naylor's Prehistory

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Across
  1. 2. Mr. Naylor's favorite breed of domesticated wolf
  2. 6. doing one particular job
  3. 8. approximately
  4. 11. a rule designed to keep society safe
  5. 12. time before Christ
  6. 13. art and science of metals
  7. 14. a collection of lifestyle preferences
  8. 16. a way to channel water from a river to a farm
  9. 17. tools used for particular purposes
  10. 19. a god
  11. 20. the difference between prehistory and history
Down
  1. 1. a system of protecting society with laws and leadership
  2. 2. taming animals and plants
  3. 3. New Stone Age
  4. 4. people who choose to live together in a particular way
  5. 5. to swap for what's needed
  6. 7. Year of our Lord
  7. 9. basically, farming
  8. 10. an era before metal and control of fire
  9. 15. a system of rituals used in worship of a god
  10. 18. a millennium minus 900