embittered struggle with Kautskianism within the working class. The lies and prejudices of the policy of compromise, still poisoning the atmosphere even in parties tending towards the Third International, must be thrown aside. This book must serve the ends of an irreconcilable struggle against the cowardice, half-measures, and hypocrisy of Kautskianism in all countries.
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P.S. – To-day (May 1920) the clouds have again gathered over Soviet Russia. Bourgeois Poland, by its attack on the Ukraine, has opened the new offensive of world imperialism against the Soviet Republic. The gigantic perils again growing up before the revolution, and the great sacrifices again imposed on the laboring masses by the war, are once again pushing Russian Kautskianism on to the path of open opposition to the Soviet Government, in reality, on to the path of assistance to the world murderers of Soviet Russia. It is the fate of Kautskianism to try to help the proletarian revolution when it is in satisfactory circumstances, and to raise all kinds of obstacles in its way when it is particularly in need of help. Kautsky has more than once foretold our destruction, which must serve as the best proof of his, Kautsky’s, theoretical rectitude. In his fall, this “successor of Marx” has reached a stage at which his sole serious political programme consists in speculations on the collapse of the proletarian dictatorship.
He will be once again mistaken. The destruction of bourgeois Poland by the Red Army, guided by Communist working men, will appear as a new manifestation of the power of the proletarian dictatorship, and will thereby inflict a crushing blow on bourgeois skepticism (Kautskianism) in the working class movement. In spite of mad confusion of external forms, watchwords, and appearances, history has extremely simplified the fundamental meaning of its own process, reducing it to a struggle of imperialism against Communism. Pilsudsky is fighting, not only for the