To which culture did the mound builders in oklahoma belong?
a.
caddoan
b.
archaic
c.
plains village
d.
plains woodland

The correct answer is A. Caddoan.

Explanation:

The mound builders in Oklahoma belong to the Caddoan culture. One of the major sites they built was Spiro Mounds, a Northern Caddoan Mississippian archaeological site that is located in present-day Eastern Oklahoma. The Caddoan Mississippians were a prehistoric Native American culture that covered a vast territory, including parts of present-day Oklahoma, Arkansas, Louisiana and Texas

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