Das Kapital sciences published before 1950. In "Das Kapital" (1867), Marx proposes that the motivating force of capitalism is in the exploitation of labor, whose unpaid work is the ultimate source of surplus value. The owner of the means of production is able to claim the right to this surplus value because he or she is legally protected by the ruling regime through property rights and the legally established distribution of shares which are by law only to be distributed to company owners and their board members. The historical section shows how these rights were acquired in the first place chiefly through
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