History crossword puzzle

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Across
  1. 4. a piece of evidence documented at the time of the event
  2. 5. arts of customs of a group of people usually a country
  3. 8. history passed down by generations through word of mouth
  4. 9. circumstances that form a setting event or idea
  5. 10. a form of government in which supreme power held by the people
  6. 11. study of scarcity and its implications
  7. 13. a low social class in ancient rome
  8. 15. a historic artifact made by a human being
Down
  1. 1. the study of humans
  2. 2. information that reinforces a fact
  3. 3. a 6 letter word that deals with moral principles
  4. 6. the study of one specific culture
  5. 7. a result of an event
  6. 12. order of events
  7. 14. a piece of evidence extrapolated from a primary source