The term 'Midwest Indian' refers to the Native American tribes that lived in the Midwest region of the United States. The three tribes that are commonly associated with this term are the SAC, Otoe, and Sauk. The SAC were a tribe of Native Americans who lived in the Great Lakes region and were known for their farming and trading. The Otoe were a tribe of Native Americans who lived in the Great Plains region and were known for their hunting and fishing. The Sauk were a tribe of Native Americans who lived in the Upper Mississippi River Valley and were known for their farming and trading. All three tribes were part of the larger Algonquian language family.