The widespread idea in the nineteenth century that it was okay to discriminate against nonwhite people (Italian, Irish, Jewish, and African) because they were biologically different, and not fully human, was called:

Question

Quizplus · Accepted Answer

The belief that nonwhite people were biologically inferior and not fully human is a core tenet of white supremacy, which justified discrimination and unequal treatment based on perceived racial differences.

The Widespread Idea in the Nineteenth Century That It Was