 The establishment of brigades was based on the harshness conspiracy, discipline and motivation of communist cadres but mostly on the openness and availability in recruiting volunteers, including youth, former soldiers or members of organization dismantled by the regime.In autumn 1943, the general command defined the command structure of brigades with the political commissar and the officers for the military command and chief of staff.While the 50% of PCI militants was directly involved in the military activity with the brigades, the other half was dedicated to conspiracy in the cities, organizing and developing the struggle of workers among factories, to the agitation of peasants in some zones and the infiltration among schools and universities, supporting also the recruitment and the flow of volunteers to combatant formations on mountains.