Only thebuilt a system of roads. The Mayas, Aztecs, and Incas all had a. Thehad a strict class system with an emperor at its head.

Respuesta :

The Incas were the ones who built a system.

hope this helped

Answer:

1. Incas . 2.Polytheistic religion .  3.Aztecs and Incas

Explanation:

these were the correct answers that i got. sorry for a late response i hope this helps those who needs it in the future