The Mississippian Period AD 900-1600. People of the Mississippian Period is best known for platform mounds upon which were erected temples, residences, and council buildings. Mounds and house structures were arranged around open plazas. Indian Mounds of Mississippi . The size and complexity of these towns suggest increased population.
Housing becomes much more permanent.
Houses were built using trench laid sapling walls. Villages were often fortified. B. Social structures. During the Mississippian period socially stratified societies emerged called chiefdoms. Chiefdoms objectify the social hierarchy with elaborate ceremonialism.