Which native american tribe constructed large mound-shaped structures? cahokia, pueblos, iroquois , maya's, aztecs

Cahokia

Explanation:

Cahokia or Cachokia, is an Amerindian archaeological site located near Collinsville (Illinois), on the Mississippi River Plain in the southwest of that state, near the city of St. Louis (Missouri). It is formed by a series of mounds or artificial earth mounds. Cahokia is the largest site related to the Mississippian culture, which developed an advanced society in eastern North America before the arrival of Europeans. It is estimated that Cahokia was founded four centuries before the arrival of Christopher Columbus in America.

the population grew a lot and was making more money

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.