Das Kapital into complex categories, employed "internal" criticism that finds contradiction within and between categories while discovering aspects of reality that the categories cannot explain. This meant that Marx had to build his arguments on historical narratives and empirical evidence rather than the arbitrary application of his ideas in his evaluation of capitalism. On the other hand, "Das Kapitalism" was also criticized for a number of weaknesses. For instance, there are theorists who stressed that this text was unable to reconcile the capitalist exploitation with prices dependent upon subjective wants in exchange relations. There are also those who argued that Marx's so-called
The Communist Manifesto of the spectre of communism with a manifesto of the party itself". The first section of the "Manifesto", "Bourgeois and Proletarians", elucidates the materialist conception of history, that "the history of all hitherto existing society is the history of class struggles". Societies have always taken the form of an oppressed majority exploited under the yoke of an oppressive minority. In capitalism, the industrial working class, or "proletariat", engage in class struggle against the owners of the means of production, the "bourgeoisie". As before, this struggle will end in a revolution that restructures society, or the "common ruin of the contending