Some of the similarities and parallels include: Frequent recognition by Hitler and various Nazi leaders (and also Mussolini) that their only revoluti… - Stanley George Payne

Zeev Sternhell has conclusively demonstrated that nearly all the ideas found in fascism first appeared in France. The fusion of racial nationalism with revolutionary and semicollectivist socioeconomic aspirations first occurred there, and in parallel fashion France was the first major country in which the revolutionary left rejected parliamentarianism while supporting a kind of nationalism.

Fascism was created by the nationalization of certain sectors of the revolutionary left, and the central role in its conceptual orientation was played by revolutionary syndicalists who embraced extreme nationalism.

At the Twelfth Party Congress in Moscow in 1923, Nikolia Bukharin stressed that the Nazi Party had ‘inherited Bolshevik political culture exactly as Italian Fascism had done.’ On June 20, 1923, Karl Radek gave a speech before the Comintern Executive Committee proposing a common front with the Nazis in Germany. That summer several Nazis addressed Communist meetings and vice versa, as the German Communist Party took a strong stand for ‘national liberation’ against the Treaty of Versailles and inveighed against ‘Jewish capitalists.’ It is said that a few of the more radical Nazis even told German Communists that if the latter go rid of their Jewish leaders, the Nazis would support them.