The theory that human groups and races are subject to the same laws of natural selection as Charles Darwin perceived in plants and animals in nature. According to the theory, which was popular in the late 19th and early 20th centuries, the weak were diminished and their cultures delimited while the strong grew in power and cultural influence over the weak. Social Darwinists held that the life of humans in society was a struggle for existence ruled by “survival of the fittest,”
