I've always understood denial of evolution's primary reason is that it contradicts scripture. I've never heard it associated with white supremacy until today.

>But denial of evolution is linked to white supremacy. A rejection of the biological links between white people and colored people helps to justify discrimination based on skin color. And non-believers in evolution often share other backwards views.

How do you know this?

Here is a link to an international meta-analysis that finds a link between disbelief in evolution and general bigotry: https://psycnet.apa.org/doiLanding?doi=10.1037%2Fpspi0000391

White supremacy, at least in the United States, finds many of its members (not all, of course) in evangelical circles.