Spread of Civilizations

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Across
  1. 2. stereotype
  2. 4. a volcanic glass
  3. 6. a language
  4. 7. use electronics usually
  5. 9. formal writing system
  6. 10. government power
  7. 12. nomad large populations
  8. 13. rulers
  9. 14. a season of weather
Down
  1. 1. piety respect for parents
  2. 3. script written in ink on a stone or wood etc.
  3. 5. god or the belief of him
  4. 8. a body of non elective government officials
  5. 11. title as the rulers
  6. 13. sword