Eugenics: The study of how to arrange reproduction within a human population to increase the occurrence of heritable characteristics regarded as desirable. Eugenics was used to justify racist policies and practices, including forced sterilization and immigration restrictions.
Racial Essentialism: The belief that people can be divided into distinct races, each with their own innate and immutable characteristics, abilities, and behaviors. This is a key tenet of scientific racism.
Racial Hierarchy: The belief that certain races are inherently superior or inferior to others, often used to justify discrimination, oppression, and unequal treatment.