Yes America has a one drop rule; one drop of Black blood makes a person Black in America originating scores of years back ; no “colored “ in between Black and white. <



South Africa has Colored category . <



South Africa has , and had when the law was passed , majority Black , so the white minority wanted to divide Africans .<


America had, when one drop law was made , majority white , so they didn’t so much need to divide the African minority as keep African and European divided; a colored category would tend to bridge Black and white , so they didn't want it ; and light skinned Africans would tend to divide the Africans by skin color as in society at large; and it has ! We know about the paper bag test , skin color white supremacy among African Americans.