In 1909, at the National Negro Congress in New York City, W. E. B. Du Bois gave a provocative speech on the reception of Darwinism in the United States. In the published version of the speech, “The Evolution of the Race Problem,” Du Bois declared that social Darwinism had found such favor in America because the very idea of “survival of the fittest” ratified the reactionary racial politics that already prevailed.

