Which elements were part of a typical Mississippian culture? Check all that apply.
 A: defensive structures, such as palisades, for villages
 B: a permanent place to hold ceremonies and rituals
 C: a strict system of social classes where elites ruled over commoners
 D: a temporary campfire that people put out before they moved on
 E: tents that were easy for people to set up when they moved to a new place