Casey's Early American Civilzations Crossword

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Across
  1. 5. A farming technique, to make or form slopes of land into a series of steps.
  2. 6. A body of water used by the Aztecs.
  3. 8. An alliance between 5, later 6, native groups.
  4. 9. One of these connected Asia and Alaska.
  5. 10. A technique of farming, when you grow crops on water.
Down
  1. 1. This early civilization was located in the Yucatán Peninsula.
  2. 2. An early civilization located in South America.
  3. 3. The land between North and South America.
  4. 4. An early civilization that lived in Mexico and used Chinampas.
  5. 7. The first major civilization in Mexico.