Answer :
Sioux is one such Native American group, which is most likely to have a way of living similar to that of the Mandans. Therefore, the option D holds true.
What is the significance of the Native American groups?
The groups in the American society who hold the status of minority groups in the society, and also have been a part of the social discrimination similar to that of the African Americans, are known as the Native Americans.
Sioux is a part of the Native American groups. It is in extreme minority and their contribution in population of the American society is very low. They are known for their lifestyle and way of living, which is similar to that of the Mandans.
Therefore, the option D holds true regarding the significance of the Native American groups.
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