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
Karl Marx move to Germany, Marx decided to emigrate to Brussels in Belgium in February 1845. However, to stay in Belgium he had to pledge not to publish anything on the subject of contemporary politics. In Brussels, Marx associated with other exiled socialists from across Europe, including Moses Hess, Karl Heinzen and Joseph Weydemeyer. In April 1845, Engels moved from Barmen in Germany to Brussels to join Marx and the growing cadre of members of the League of the Just now seeking home in Brussels. Later, Mary Burns, Engels' long-time companion, left Manchester, England to join Engels in Brussels. In mid-July 1845,