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The Mound Builders were American Indians who flourished
in the Great Plains.
in the Southwest.
in woodlands around the Great Lakes.
in the Ohio and Mississippi River valleys.

Respuesta :

Answer:

The answer is D.

Explanation:

They lived among the rivers because of its tributary waters.

Answer:

D in the Ohio and Mississippi River valleys.

Explanation:

I got it right on the test in e n d g e n u i t y 2021