Peopling of americas

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Across
  1. 5. crops included cacao vanilla corn beans squash
  2. 6. built cities roads and resivoirs
  3. 8. created the largest empire in the Americas
  4. 10. a town or village
Down
  1. 1. the peninsula that has a nickname of the panhandle
  2. 2. the guy that sailed the ocean to try to find Asia
  3. 3. moving from one place to another
  4. 4. the water under Texas
  5. 7. under California and New Mexico
  6. 9. an ancient population center in Illinois