He opposed to the Italian military in intervention in Libia in 1911-12 and was elected deputy of the Kingdom of Italy in Milan in 1913. Combatant of the First World War, he was decorated with three silver medals for military valor. After the war he was among the founders of the National Combatants Association and promoted a movement of ex-combatants called "National Renewal", of radical inspiration with which he was reconfirmed in the Chamber of Deputies in 1919, and again in June 1921 with Social Democracy.