Which statement best describes Social Darwinism?

The Social darwinism is a theory of natural selection between social, political and economic issues. It follows the Mantra of "the strong shall survive", including human issues. The idea of the theory saying that the white European is a race with more superior abilities than the others.

Social Darwinism is the term given to various theories of society which rise in the North America, Western Europe and United Kingdom during 1870s. The theories are applied to natural selection and survival of the fittest.