This was a punitive model of racial superiority as opposed to the South African model, which rewarded those with any proximity to whiteness and created an official mid-caste of colored people as a buffer between black and white. South Africa granted privileges on a graded scale based on how much European blood was thought to be coursing through one’s veins, seeing “white” blood as a cleansing antiseptic to that of lowlier groups in the purity-pollution paradigm.