Even regional scoring gaps were read as evidence of genetic racial superiority.

Evidence

African Americans in the North scored better than African Americans in the South, and Brigham argued that northern Blacks had a higher concentration of White blood, and that these genetically superior African Americans had sought better opportunities up North because of their greater intelligence. — Ibram X. Kendi, Stamped from the Beginning, 816

Categorization

• XREF: Shows the circularity of racial-biology reasoning — a hallmark of the racist-idea production line Kendi describes throughout the book.