The Advancement of Marxism in the Industrial North

Gramsci develops these understanding that the kind of orthodox Marxist or Leninist formulation does involve, is based in the industrial north where most of the actions happening for the PCI. And Gramsci is thinking about how the entire country can get involved in this struggle. Like, why would these ideas be relevant to the peasantry? It's a good time to like talk about sort of the advancement of this idea, sort of differs from Marx or something.