"During the Resistance the class struggle stepped out of the factories and the ideological moulds most closely connected with them, above all along two roads. The first of these was that of the struggle for the physical survival of strata of the population far more extensive than those of the workers as such; and in this struggle a particularly important role was played by women. It seemed almost like a situation in which the market was reborn as the arena of class war. The second road joined up with the path of armed struggle, in the cities and the mountains." - Claudio Pavone, "A Civil War"
In this respect it would seem that Italy was particularly well primed for the emergence of autonomism (roughly speaking, non-partyist forms of Marxism) by virtue of its experience in the wartime Resistance (and the ways in which the outcome of that Resistance differed from its counterparts elsewhere in Europe).