Veronica's crossword puzzle

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Across
  1. 4. Not poor but also not wealthy
  2. 8. Nicolaus Copernicus
  3. 9. To grow a country's power
  4. 11. To modernize an area
  5. 12. Law of gravity
  6. 14. Born with absolute monarchy
  7. 17. Logic used other than faith
  8. 18. Steam engine
  9. 19. Gerneral Will
  10. 20. Progressively assembled
Down
  1. 1. Taking parts of Africa
  2. 2. A building where products are made
  3. 3. Supports a business and takes risks
  4. 5. To take control of a foreign area
  5. 6. Freedom of speech
  6. 7. The right to rule given by God
  7. 10. Agreeing to give up certain rights
  8. 13. Laws of motion telescope
  9. 15. Natural Eights
  10. 16. Separation of powers