(1) After the expansion of the transatlantic slave trade, pseudo-scientific explanations began to emerge to rationalize why Africans should be enslaved, citing measurements of cranium sizes. (2) Johann Friedrich Blumenbach conducted early anthropological research involving measurements of craniums and divided mankind into five races, naming the Caucasian race after the Caucasus region. (3) Similarly, Carl Von Linneaus published one of the first modern studies of man, categorizing humans into four distinct races (Europeanus, Americanus, Asiaticus, Africanus) based on skin tone and stereotypical behaviors, helping to propagate the ideology of racial superiority.