Pros are that it’s a very self sufficient system of growing, made land management easier, it allowed for simplistic chain of command.
Cons are that it was easy to abuse the power given, the kings could raise taxes whenever they wanted, and you couldn’t marry someone from another social ranking
The answer you're looking for is an Anthropologist.
The Aztecs would be your answer.
The Maya were in the south of Mexico and the other two, the Ghaznavids and the Abbasids describe Asian peoples, so not peoples of the New World.
