The word racism did not exist until the 1930s, yet the belief in racial hierarchy has shaped human history for centuries. Before the late 19th century, the concept of race as a biological determinant of character and ability was largely absent from Western thought. Historian Dante A. Puzzo notes that prior to the 16th century, there was virtually nothing in the life and thought of the West that can be described as racist. Instead, societies operated on ethnocentrism, viewing outsiders as strange or barbarous, but not as biologically inferior. The modern conception of racism emerged as a political tool to justify colonial expansion and the transatlantic slave trade. It was during the European age of imperialism that the belief in distinct human races with inherent behavioral traits took root. This ideology transformed from a simple preference for one's own culture into a rigid system of scientific justification. Early race theorists like Johann Blumenbach divided humanity into five groups based on skin color, positing that non-Caucasians had arisen through a process of degeneration. These pseudo-scientific theories were not merely academic exercises; they became the bedrock of political systems that ranked human beings as inherently superior or inferior. The term racism itself was coined to describe this specific state of being, evolving from earlier terms like racialism. By the end of World War II, the word had acquired the supremacist connotations it holds today, implying racial discrimination, racial supremacism, and harmful intent. The history of the word mirrors the history of the ideology: it is a relatively modern construct that was retroactively applied to justify ancient prejudices.
Bloodlines and Colonial Caste Systems
The roots of modern racial thinking can be traced to the Spanish doctrine of limpieza de sangre, or cleanliness of blood, which emerged during the Reconquista. This legal and social system was designed to stem the upward social mobility of converted Jews and Muslims, known as New Christians, by the Old Christians of Spain. It created a complex caste system in the colonies of the Americas that determined a person's importance in society based on degrees of perceived racial distance from European ancestry. The concept of blue blood, or sangre azul, became a euphemism for being a white man, serving as a reminder that the aristocracy's refined footsteps carried the spoor of racism. This system of racial and feudal separation was used for social control and persisted into the 19th century in military contexts. In the Spanish colonies, a complex caste system based on race was developed to manage the diverse populations of indigenous peoples, Africans, and Europeans. While many Latin American countries have long since rendered the system officially illegal, prejudice based on perceived racial distance combined with socioeconomic status remains an echo of that colonial era. The Valladolid debate of 1550 to 1551 highlighted the moral conflicts surrounding these systems, pitting the Dominican friar Bartolomé de Las Casas against Juan Ginés de Sepúlveda. Las Casas argued that Amerindians were free men in the natural order, while Sepúlveda claimed they were naturally suited for slavery. The marriage of Luisa de Abrego, a free black domestic servant from Seville, and Miguel Rodríguez, a white conquistador, in 1565 in St. Augustine stands as the first known and recorded Christian marriage anywhere in the continental United States, yet it existed within a society that systematically marginalized such unions. The legacy of these early racial classifications continues to influence social stratification and discrimination today.