Final answer:
The Mississippian people were not nomadic and had settled agricultural communities. They constructed large earthworks and mounds for various purposes.
Step-by-step explanation:
The statement that does not indicate that the Mississippian people were an advanced civilization is c) They were nomadic, following herds of large animals. The Mississippian people were actually known for their settled agricultural communities and large-scale corn-based agriculture, which allowed them to support a dense population and have specialized artisans. They also constructed large earthworks and mounds, which served various purposes including burial and worship.