A big part of nomadic tribes becoming settled was their access to food. When they initially began their settlements, they were small houses with barns close by, they would grow simple crops such as corn and beans. These dwellings developed, over thousands of years, into fully functioning societies.
One of the more notable groups of settlers were the Anasazi. The Anasazi had developed multi-level, apartment-like complexes. They would create earthen dams to utilize the little water provided in their desert environment, they also created pottery to help store their abundance of crops they grew from their irrigated fields.
Many tribes also developed vast quantities of wealth, such as the Aztecs. The Aztecs had unsurpassed resources