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 be more in keeping with the context-smashing potential of the human imagination; "Social Theory: Its Situation and Its Task", is a "critical introduction" that delves into issues of social science underpinning Unger's project; and "Plasticity Into Power: Comparative-Historical Studies on the Institutional Conditions of Economic and Military Success", is a collection of three historical essays illuminating the theoretical points Unger advanced in the first two volumes. In 1997, an abridged, one-volume edition of "Politics" was issued as "Politics, The Central Texts", edited by Zhiyuan Cui. In "False Necessity", Unger presents both an explanatory theory of society and a program for