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 in theory; Marxist works such as the "Manifesto" or "Das Kapital" were read primarily by party theoreticians. On the other hand, small, dedicated militant parties and Marxist sects in the West took pride in knowing the theory; Hobsbawm says "This was the milieu in which 'the clearness of a comrade could be gauged invariably from the number of earmarks on his Manifesto. Following the October Revolution of 1917 that swept the Vladimir Lenin-led Bolsheviks to power in Russia, the world's first socialist state was founded explicitly along Marxist lines. The Soviet Union, which Bolshevik Russia would become a part of,