Answer:
The correct answer is B) The king named him prime minister and allowed him to form a government.
Step-by-step explanation:
Dictator Benito Mussolini became prime minister of Italy after the March on Rome. Mussolini and the Fascist Party leaders planned this insurrection to take place in Rome on 28 October 1922. When they entered Rome, Prime Minister Luigi Facta tried to declare the state of siege, but king Victor Emmanuel III overruled him. The king appointed Mussolini prime minister and gave his party the political power the following day.