A Marxist-Leninist, a type of Authoritarian
Communism. In political science, Marxism–Leninism was the official state ideology of the Soviet Union (
USSR), of the parties of the
Communist International after Bolshevisation and it is the ideology of Stalinist political parties. The purpose of Marxism–Leninism is the revolutionary transformation of a capitalist state into a socialist state, by way of
two-stage revolution, which is led by a vanguard party of professional revolutionaries, drawn from the proletariat. To realise the two-stage transformation of the state, the vanguard party establishes the dictatorship of the proletariat, which determines policy through democratic centralism.