Naming the four waves of fighting racism and sexism

It's easy to discuss the first three waves of feminism because the movement has had a single name since Charles Fourier coined the word in 1837. Feminists argue about whether there's a fourth wave of feminism—as you'll see below, I believe there is. Opposing racism hasn't had one name. The first wave in the US was generally discussed as abolition or equal rights; the second, as civil rights,