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In page Oswald Spengler:

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Spengler influenced other academics, including historians Arnold J. Toynbee,[1] Carroll Quigley, and Samuel P. Huntington.[citation needed] Others include fascist ideologues Francis Parker Yockey and Oswald Mosley.[2] John Calvert notes that Oswald Spengler's criticism of Western civilisation remains popular among Islamists.[3]