Can someone please help me? :(

Answer:
D. The Mississippians built huge mounds for religious purposes.
This is the only thing that's differnt from the Ancestral Pabloans.
THANKS!
Answer:
D. The Mississippi built huge mounts for religious purposes.
Explanation:
The Ancestral Puebloans were known for building stone homes while the Mississippians were known for building mounds.
Hope this helps, please let me know if I'm wrong.