What region of the United States did Mound Builders reside in?

Eastern United States

Explanation:

Mound Builders, in North American archaeology, the name given to those people who built mounds in a large area from the Great Lakes to the Gulf of Mexico and from the Mississippi River to the Appalachian Mts. The greatest concentrations of mounds are found in the Mississippi and Ohio valleys.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow