the coolest crossword ever

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Across
  1. 2. something to keep people in order
  2. 5. people who control the people
  3. 7. the design of buildings
  4. 12. a person in power
  5. 13. a line of animals
  6. 15. a trader who inflated prices
  7. 16. an enclosure
  8. 18. the act of ending something
  9. 19. a way to get crops
  10. 20. Pox a dangerous disease
Down
  1. 1. Polo a traveler who went to Asia
  2. 3. a Spanish conqueror
  3. 4. an ancient written language
  4. 6. a spoken language
  5. 8. a society that is considered advanced
  6. 9. Magellan the first explorer to go around the world
  7. 10. a long journey
  8. 11. what you can eat
  9. 14. something a collective amount of people worship
  10. 17. A tribe found in South America