Answer:
Pottery and tools.
Step-by-step explanation:
The first large scale of civilization in America was the Mississippian culture. They built mounds for several purposes including religious, ceremonies and residence purpose for the elite group. Mounds are very much associated with the Cahokia located in present location in Illinois. Many artifacts have found at the Cahokia Mounds. Some of them include tools, stones, pottery, shells, knives, and arrowheads.