Communism, even though it does not work, was better than fascism of Mussolini. Communists were part of the resistance against facism and included Catholics and othe political and religous groups.
Without Russian Communists, WWII would have been lost by the allies. Italy communism grew after WWII but there was very little violence.
In 1950's Italian Communists broke away from Russian Communism as they undersood what Stalin did.
Mussollini was a failed hated leader. He is a shit stain on Italian history. You need to educate yourself.
communistcrimes.org