The line that goes from Marx to Lenin, to the foundation of the Communist International and the Communist Party of Italy (Livorno 1921); the struggle of the Communist Left against the degenration of the International, against the theory of the “socialism in a singe country” and the stalinist counterrevolution; the refusal of the Popular Fronts and the Resistance Blocks; the hard work of restoration of the revolutionary doctrine and organ, in contact with the working class, outside the personal and electioneering politicking.