Eugenics, of course, topples easily into racism. Engels himself wrote of the "racial trash" - the groups who would necessarily be supplanted as scien… - Daniel Hannan

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Eugenics, of course, topples easily into racism. Engels himself wrote of the "racial trash" - the groups who would necessarily be supplanted as scientific socialism came into its own. Season this outlook with a sprinkling of anti-capitalism and you often got Leftist anti-Semitism.