History of economic thought died, Engels completed the second volume of "Das Kapital" from his notes. Marx wrote his magnum opus "Das Kapital" (1867) at the British Museum's library in London. Karl Marx begins with the concept of commodities. Before capitalism, says Marx, production was based on slavery – in ancient Rome for example – then serfdom in the feudal societies of medieval Europe. The current mode of labor exchange has produced an erratic and unstable situation allowing the conditions for revolution. People buy and sell their labor as people buy and sell goods and services. People themselves have become disposable commodities. As Marx
The Communist Manifesto publicly owned etc.—the implementation of which would result in the precursor to a stateless and classless society. The third section, "Socialist and Communist Literature", distinguishes communism from other socialist doctrines prevalent at the time—these being broadly categorised as Reactionary Socialism; Conservative or Bourgeois Socialism; and Critical-Utopian Socialism and Communism. While the degree of reproach toward rival perspectives varies, all are dismissed for advocating reformism and failing to recognise the pre-eminent revolutionary role of the working class. "Position of the Communists in Relation to the Various Opposition Parties", the concluding section of the "Manifesto", briefly discusses the communist position on struggles