I think that the Inca civilization was the best out of the tree because of their engineering skills, being high up in the mountains, and how they were able to farm high up in the mountains.

The first reason why I think that the Inca are the best was their engineering skills that they had. The Inca built many roads going through the mountain and this allowed them to send massages and relay information and to also move supplies and goods through out the empire. The second reason is the Inca were main intact from the spanish when they cam unlike the Aztec and Mayan. The Inca lived high up in the mountains which gave them an advantage because they naturally have protection from tribes on the ground and their citys are more scarterd which meant