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In page Fascism:

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Andreas Umland argues that there are similarities between fascism and Bolshevism, including that they believed in the necessity of a vanguard leadership, showed contempt for bourgeois values, and had totalitarian ambitions.[1] He says that in practice both have commonly emphasized revolutionary action, proletarian nation theories, one-party states, and party-armies;[1] With the antagonism between anti-interventionist Marxists and pro-interventionist fascists complete by the end of the war, the two sides became irreconcilable.[citation needed] The fascists presented themselves as anti-communists and as especially opposed to the Marxists.[3] In 1919, Mussolini consolidated control over the fascist movement, known as Sansepolcrismo, with the founding of the Italian Fasces of Combat.[4]