The best way to differentiate between the two left-wing antagonists is to designate the volitional contingent the ‘free Left,’ and its authoritarian … - L.K. Samuels

Although Karl Marx… confided that he derived many of his philosophical ideas from the French utopian socialist movement, he also knew that he was adopting an ideological movement rife with xenophobia. Anti-Semitism was so profuse in the French socialist community that historian Zosa Szajkowski concluded in an exhaustive study that he ‘could not find a single word on behalf of Jews in the whole of French socialist literature from 1820 to 1920.’

International socialists found it advantageous to hide both Mussolini’s and Hitler’s socialist, labor unionist, Marxist, and atheist pasts. One reason was that Hitler and Mussolini were independent of Moscow’s direct control, and they had the audacity to oppose the Soviet Union in the Spanish Civil War. To pay for their insolence, the Soviets and their minions felt compelled to whitewash the collectivist-socialist ideology and history behind nationalistic socialism, determined to bury Hitler and Mussolini under a falsely inscribed tombstone.

The ideology of Nazism included many of the same tenets of the social democrat and socialist democratic gradualists, today and in the past. The Nazis took gradualist positions to bring about socialism, social welfare measures, socioeconomic equality (known as Völkisch equality), classless society, public work projects, mandatory labor union membership, and class cooperation previously found appealing to Marxist heretics and reformers.