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First published articles presenting an early version of scientific socialism. Including contradictions in liberal economic doctrine, stating that the existing system based on private property would lead to a world of millionaires. Also stated that the revolution that would follow would lead to the elimination of private property to a "reconciliation of humanity with nature and itself."
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Engels first work which shared his views of the working class being worse off in England due to the frequency of disease.
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Coauthored with the fundamentals of Marxism. Later recognized as one of the worlds most influential political manuscripts. Presents the class struggle, as well as critiques capitalism.
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Engels authored 6 works alone and following the death of Karl Marx, including Marx unfinished manuscripts for Das Kapital 2 and 3, as well as multiple works critiquing philosophers Duhring and Feurbach, sharing his viewpoints and adding critiques to the flaws of both philosophies. Overall, he was most known for his contribution to Marxist thought, specifically during the German revolution of 1848, and following.
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His first work sharing the principles of communism, and economics from a Marxist viewpoint.