Facts of the world

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Across
  1. 2. High-speed motorsport involving specialized racing cars.
  2. 4. U.S. President known for his role during the Great Depression.
  3. 5. Ancient Greek citadel, such as the one in Athens.
  4. 7. Space telescope known for its stunning images of the universe.
  5. 11. Sport that involves shooting arrows with a bow.
  6. 13. Region that includes ancient civilizations like the Maya and Aztec.
  7. 14. Sport involving swords and protective gear.
  8. 16. U.S. President associated with the Monroe Doctrine.
Down
  1. 1. River near which the U.S. capital is located.
  2. 3. Cradle of civilization, located between the Tigris and Euphrates rivers.
  3. 6. Vast cloud of gas and dust in space.
  4. 8. U.S. President and Allied Supreme Commander during World War II.
  5. 9. Ancient civilization that thrived in South America.
  6. 10. U.S. President considered the "Father of the Constitution."
  7. 12. Sport in which players slide stones on ice towards a target.
  8. 15. NASA rover exploring Mars.