Social darwinism applies what theory to human society

The theory of evolution

Explanation:

Social Darwinism commonly refers to ideas that predate Darwin's publication of On the Origin of Species.

Theory of evolution

Explanation:

Social Darwinism is a moveable set of ideologies that emerged in the late 1800s in which Charles Darwin’s theory of evolution by natural selection was used to justify certain political, social, or economic views. Social Darwinists believe in “survival of the fittest”—the idea that certain people become powerful in society because they are genetically better. Social Darwinism has been used to justify imperialism, racism, eugenics and social inequality at various times over the past century and a half.

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