Karl Marx spoke boldly: "between capitalist and communist society lies the period of the revolutionary transformation of the one into the other. Corresponding to this is also a political transition period in which the state can be nothing but the revolutionary dictatorship of the proletariat." But revisionism, swimming with the tide of bourgeois ideology and falsifying Marxism-Leninism, opposes proletarian dictatorship. "By revisionism, Lenin understood an opportunist trend alien to Marxism and socialism that existed within the revolutionary party of the working class and which, under the guise of Marxism, actually carried out a revision of the fundamental tenets of Marxist theory, replacing the basic principles of that theory by bourgeois and petty-bourgeois ideas." In other words, under the cover of Marxist terminology and a claim to be "creatively" developing Marxism, revisionism rips out the revolutionary essence and guts of Marxism-Leninism! Gus Hall, epic Marxist-Leninist former leader of the Communist Party of the United States and one of the founders of the United Steelworkers union (USWA) once said that "a classical feature of revisionism is its rejection of the concept of the dictatorship of the proletariat." Gus Hall hit the nail on the head. The dictatorship of the proletariat is the central issue that distinguishes Marxist-Leninists from reformists and revisionists. V.I. Lenin put it bluntly: "only he is a Marxist who extends the recognition of the class struggle to the recognition of the dictatorship of the proletariat. This is what constitutes the most profound difference between the Marxist and the ordinary petty (as well as big) bourgeois. This is the touchstone on which the real understanding and recognition of Marxism is to be tested." The question of the dictatorship of the proletariat, the state power and the "political rule of the proletariat, " is the crux of Marxism because, as Lenin proclaimed, socialism can’t be built and "the proletariat cannot achieve victory without breaking the resistance of the bourgeoisie, without forcibly suppressing its enemies." (Karl Marx, Critique of the Gotha Programme, 1875; Right-Wing Revisionism Today, 1976, Progress Publishers, Moscow; Gus Hall, Working Class USA, 1987, International Publishers, New York; Lenin, State and Revolution, 1917; Proletarian Revolution and the Renegade Kautsky, 1918)
Peruse Part Five, Chapter 21 in Otto Kuusinen's Fundamentals of Marxism-Leninism : "Dictatorship of the Proletariat & Proletarian Democracy."