Maya: The mysterious civilization in eastern Mexico, which is proficient in mathematics and legislation, disappeared inexplicably.

Aztec: An aggressive civilization in central Mexico, good at fighting and offering sacrifices to the living. It was a tribal alliance in the form of a suzerain, which was destroyed by Spain.

Inca: South American alpine civilization, unified and large-scale, advanced, good at farming, architecture and roads, rich in gold, destroyed by Spain.