What political characteristic separates the inca From both the Maya and Aztec civilizations

Answer is: The Inca had a federal system controlled by a central government.

Inca Empire was a centralized bureaucracy. The Inca government was called the Tawantinsuyu and rulers were called Sapa Inca.

Maya government had rulers that were thought to have been god like.

The Aztec government was similar to to todays monarchy.