Benito Mussolini was the Italian Facist Party leader. Italy was axis during the second world war, so he was backed by Nazi German dictator Adolf Hitler. He basicly led the WW2 Italian Army. Mussolini led Italy into World War IIon the side of the Axis despite http://wiki.answers.com/wiki/FrancoâItalian_Agreement France against Germany in the early 1930s. Believing the war would be short-lived, he declared war on http://wiki.answers.com/wiki/France and http://wiki.answers.com/wiki/Great_Britain.