Inca empire

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Across
  1. 1. How did not live in the city.
  2. 7. How big was their population.
  3. 8. Bottom of the pyramid.
  4. 9. Second level of the pyramid.
  5. 10. Top of the pyramid.
Down
  1. 2. Fourth level of development.
  2. 3. Used to deliver messages.
  3. 4. Third level of the pyramid.
  4. 5. Most common food.
  5. 6. Used for agriculture.