Explanation:
The first consistent style was called Romanesque, which was at its peak between 1050 and 1200. Romanesque churches used art, largely painting and sculpture, to communicate important things
The Mound Builders used metal tools, and were probably metal builders. Based on that information I would say the answer is B.Copper, because copper is a metal.
i would love to help bit you didnt attatch a pic
<span>She was a college student when she designed the Vietnam Veterans War Memorial.</span>