Mayans

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Across
  1. 3. Type of record keeping including numbers and equations.
  2. 4. Type of geography their empire is planted on.
  3. 6. Type of record keeping: astronomy.
  4. 7. A bean in which they trade, makes chocolate.
Down
  1. 1. Type of farming where it's formed for the water of a river to flow in.
  2. 2. Bottom of the social triangle.
  3. 4. Leader of Mayan Empire.
  4. 5. Top of the Social triangle.