Native Americans in what is now Mexico that settled in the Valley of Mexico around 1250. Their empire was built across central a
nd southern Mexico. The transformed a deserted island in the middle of a lake into a major city called Tenochtitlan, which becomes the hub of the empire. The Aztecs build roads, bridges, and canals to carry goods to markets. They built a hug step pyramid over 150 feet high. Their core religious practice was human sacrifice to the gods.
