When benito muslini came into power he promised to

Benito Amilcare Andrea Mussolini (July 29, 1883 to April 28, 1945), who went by the nickname “Il Duce” (“the Leader”), was an Italian dictator who created the Fascist Party in 1919 and eventually held all the power in Italy as the country’s prime minister from 1922 until 1943. An ardent socialist as a youth, Mussolini followed in his father's political footsteps but was expelled by the party for his support of World War I. As dictator during World War II, he overextended his forces and was eventually killed by his own people in Mezzegra, Italy.

Explanation:

he was a communist he wanted to make life fair for everyone

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.