Original sentence: However, competitive societies (whether they be socialist or capitalist) should preferentially select for individuals with higher levels of intelligence - especially given the ubiquitousness of war, competition for economic resources and the inevitable struggle for existence which is associated with all human existence.There is a strong form of self-evident argumentation which argues that, even if Fertility were negatively correlated to intelligence, natural selection would still interfere with these traits in a way which ensures that high levels of intelligence are still selected for overall