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 Social and Political Thought of Karl Marx "locate the essential elements of continuity or discontinuity" in Marx's thought and to correct misinterpretations of it. He credited Avineri with "a close and insightful reading of the whole body of the primary sources, aided by a selective and judicious reading of the secondary literature", and described his writing as "learned and at the same time limpid" and his treatment of Marx as "solidly grounded, fair, and enlightening." However, he criticized Avineri for devoting insufficient space to discussing "Das Kapital" and Marx's views on the nature of capitalist society, and for failing to address the work of the philosophers Louis