Aryan society as pinnacle of civilization. Goal to bring all humans to a civilized status . Method look at features such as kinship, technology, social organization. Arrange in columns. Concludes that his order is the historical progression.
European bias sets Western society as highest and others in comparison.
After Darwin, this combined to form Social Darwinism. Later, confusion with Spencerian vision of natural selection some societies inferior, ones that had progressed were better adapted. This could justify imperialism, laissez-faire economics and racism. Opposed free public schools, hospitals, etc and all public welfare as against the laws of nature, and only increasing suffering of weak and underprivileged. Morgan partially a product of this climate.