Jasmin's crossword puzzle

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Across
  1. 1. being polite
  2. 6. fire
  3. 7. of or relating to a nation
  4. 10. the human race
  5. 12. Jacob Javits what?
  6. 14. mountains eruption
  7. 16. peacefulness
  8. 18. compassionate, kind, considerate
  9. 19. tranquil
Down
  1. 2. someone who does sports
  2. 3. while you sleep
  3. 4. existing in or caused by nature
  4. 5. past tense of dream
  5. 6. objects that can catch on fire
  6. 8. a large area of land that is controlled by its own government
  7. 9. someone in sports is a ?
  8. 11. volcano activity
  9. 13. to come together
  10. 15. enjoyable, pleasurable, nice
  11. 17. environment