From different angles, there are five social forms: primitive society, slave society, feudal society, capitalist society and socialist society, as well as three social forms: natural economy society, commodity economy society and product economy society.
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Every social form has its specific and special essence, which is the unity of a specific economic base and a specific superstructure, that is, a specific stage of human social development. Primitive commune system, slavery system, feudal system, capitalist system and socialist production system are different social forms defined by different economic bases. The general society or society mentioned by bourgeois sociology and history generally does not exist.
The theory of historical materialism on social formation, from the viewpoint of the unity of economic base and superstructure, makes a concrete historical analysis of some stages of human social development and reveals its internal structure and special essence.
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