The Communist Manifesto Manifesto" summarises Marx and Engels' theories concerning the nature of society and politics, that in their own words, "The history of all hitherto existing society is the history of class struggles". It also briefly features their ideas for how the capitalist society of the time would eventually be replaced by socialism. Near the end of the Manifesto, the authors call for "forcible overthrow of all existing social conditions", which served as the justification for all communist revolutions around the world. In 2013, "The Communist Manifesto" was registered to UNESCO's Memory of the World Programme with "Capital, Volume I". "The Communist
Politics: A Work In Constructive Social Theory and leftist endeavor by freeing it from unjustifiably restrictive assumptions about the practical institutional forms that representative democracies, market economies, and the social control of economic accumulation can and should assume. Unger notes that ""Politics" sets out to execute a program for which no ready-made mode of discourse exists," and that thus it "raids many disciplines" and develops a "language for a vision" as it moves forward. In discussing the predicament of social theory and offering his corrections to its failings, Unger suggests that the difficulties of social theory can be traced to the difficulty of accounting for the context-breaking