Why was fascism in Italy rooted in violence?

Explanation:

Fascism is a right-wing form of government in which most of the country's power is held by one ruler. Fascist governments are usually totalitarian and authoritarian one-party states.

Italian Fascism was rooted in Italian nationalism, national syndicalism, revolutionary nationalism and the desire to restore and expand Italian territories, which Italian Fascists deemed necessary for a nation to assert its superiority and strength and to avoid succumbing to decay.

he fascist movement came to Italy after the First World War desired a revolutionary dictatorship, which would transform Italy into a new civilization, using force when required. For large numbers of Italians, an oppressive fascist regime brought economic hardship and/or a loss of basic human rights.

separation of church and state? not sure what you mean.