 Perrone Compagni became an important figure as Italy stood on the brink of takeover by Benito Mussolini when he was appointed one of the four commandants-general of the fascist squads.His importance was emphasised in the March on Rome when he commanded the Tuscan contingent of the fascist squadrons.Under Mussolini's government Perrone Compagni enjoyed wide power, particularly in Tuscany where he was effective head of the fascist machine.