How did Mussolini play on Italian nationalism to gain power?

Italian Fascism Marches to Power

Explanation:

In 1922, Fascists were instructed to wear uniforms, including black shirts, when in squads that were modeled after Roman army groups. ... In October 1922, Mussolini threatened to march on Rome to take control of the government through violent force if it was not handed over.

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.