After arriving in the valley of mexico after 1200, which indian group established a tributary empire?

answer is x. lo xd

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

the answer is aggresion hope this and mark me as brainiest and add me as friend