You wrote: "Critical race theory asserts that the world is divided into a racial caste system with Whites on the top and Blacks on the bottom"

There is only ONE race on the planet. The human race! every human is 99.9% percent related to every other human. As I have written.

https://medium.com/one-human-race/the-term-racism-is-wrong-wrong-wrong-ccb7c04b3154