Native American Empires

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Across
  1. 3. Spanish conqueror of native empires
  2. 5. Picchu A famous lost city in Peru
  3. 7. One of the ancient empires in Mexico famous for sacrifices
  4. 8. A farming technique using floating gardens
Down
  1. 1. A form of knot-based record-keeping
  2. 2. A civilization famous for living in the Andes
  3. 4. A sacred building
  4. 6. A religious event or formal action
  5. 9. Civilization famous for temples and calendar