The application of the concept of evolution to the development of human societies over time, emphasizing the struggle for existence of each society, and the survival of the ‘fittest’ of them. Such pernicious ideas have been used to justify power politics, imperialism, and war; see Weikart (2003) German Studs Rev. 26, 2. Dorling (2010) Geog. J. 176, 3, 186 argues that the UK’s post-1970s rise in social and economic inequalities contributed to a revival of social Darwinism (‘a kind of growing racism against the poor’), which had been rejected in the more equitable post-war era.