“The anthropologist Ashley Montagu was among the first to argue that race is a human invention, a social construct, not a biological one, and that in seeking to understand the divisions and disparities in the United States, we have typically fallen into the quicksand and mythology of race. “When we speak of the race problem in America,” he wrote in 1942, “what we really mean is the caste system and the problems which that caste system creates in America.”
Caste by Isabel Wilkerson