What did Roy Bryant and J.W. Milam reveal in their interview with reporter William B. Huey?

D. Natchez  North American culture had a caste system.

Explanation:

1. The people were divided into three categories namely the Great Sun, the nobles and the Stinkards.

2. The Great Sun referred to the upper class.  The nobles comprised of the honest men.  The Stinkards formed the lowest class or the commoners.

3. The Great Sun could enter the marital association only with the Stinkards. Same applied to the brothers, Lesser Sun, and the sisters, Women Suns.

4. Except the children of the Women Suns, the children of the Great Sun and the Lesser Sun could not inherit the social standing of the parents.

5. The Stinkards had no change in their social standing in spite of being the marital partners of the Great Suns.