Das Kapital class struggle rooted in the capitalist social relations of production. The first of three volumes of "Das Kapital. Kritik der politischen Ökonomie" ("Capital. Critique of Political Economy") was published on 14 September 1867, dedicated to Wilhelm Wolff and was the sole volume published in Marx’s lifetime. "Capital, Volume II", subtitled "The Process of Circulation of Capital", was prepared by Engels from notes left by Marx and published in 1885. It is divided into three parts: "The Metamorphoses of Capital and Their Circuits", "The Turnover of Capital" and "The Reproduction and Circulation of the Aggregate Social Capital". In "Volume II", the
Influences on Karl Marx animals and tools. In a book review of the first volume of "Das Kapital", Engels wrote that Marx was "simply striving to establish the same gradual process of transformation demonstrated by Darwin in natural history as a law in the social field". In this line of thought, several authors such as William F. O'Neill, have seen that "Marx describes history as a social Darwinist 'survival of the fittest' dominated by the conflict between different social classes" and moving to a future in which social conflict will ultimately disappear in a 'classless society'" while some Marxists try to dissociate Marx from