There have been great social effects of evolution in regards to its acceptance by various individuals in the course of history. The theory of evolution has been influential in regards to Social Darwinism, Nazism, Communism, and racism. ‎The staunch evolutionist Stephen Gould admitted the following: Robert E.D. Clark in his work Darwin: Before and After wrote concerning Hitler's evolutionary racism: Richard Hickman in his work Biocreation concurs and wrote the following: B. Wilder-Smith wrote the following regarding Nazism and the theory of evolution: . ]]