History is the discovery and summary of all the facts that happened in the past, the product of the times and the necessity of time and space. The Formation of Karl Marx's Economic Thought Chapter IV: Firstly, the capitalist mode of production is generally analyzed. Between 1846- 1847, Marx and Engels wrote Poverty of Philosophy, Principles of Communism, Employed Labor and Capital, and Manifesto of Communism. It systematically discusses how capitalism solves all social problems such as class contradictions.