That depends on how you define "power" in its myriad of definitions.
Of course if you include things like international law, the any and all Native Americans become very powerful; since the United States has openly and admittedly violated the treaties with all Native American's, the rights and titles to the land taken under those treaties actually belong to them (and not the US Government, or who they sold the land to).
Aztecs.........i think
The Cherokee.
The name of the indian tribe was the iroquios
Its a tribe a Indian tribe?
tribe
they were the most powerful tribe
Aztecs.........i think
choctow i think By: Kareem Matariyeh
The Aztec Empire.
The Navajo tribe
The most famous indian of the powhatan tribe was the chief's daughter Pocahontas.Her story is story is diffrent from her movie
The Lakota Tribe were the most powerful of the plains Native American groups. They settled in present-day North and South Dakota.
The Cherokee.
The Seminoles
The Inca
The Osage were the most powerful tribe along the lower Missouri, around Western Missouri and Eastern Kansas.
New kids on the block