maya civilization.

1.what are the 3 problem in my civilization .
-the maya farmers raised corn anh beans.
-thier diet was low protein.
-they had only a few domesticated animals.
2.What could caused that 3 problems.
-the maya region is too far from the equater to be considered tropical.
-in the city of Tikal, reservoirs held enough drinking water for 10000 people for 18 months.