Who is Ninnarieddu (Nino) Mancuso from History: A Novel and what is their importance?

Ida's eldest child, Nino, is her son by Alfio Mancuso. Nino is rebellious and disrespectful toward his mother, but is still lovable. He loves his new baby brother and promises him the world, fully intending to deliver but not quite coming through for Useppe as he promises. Nino is a rebel, even if he needs to change his stance. In the beginning of the story, he rails in support of the fascists. However, as time goes on, he joins a militant faction fighting against the Nazis. Finally, Nino realizes that the real enemy is anyone who is in a position of power over the people. Having become so entangled in underground activities, when his causes dry up, he decides to become rich and go to America and continues his black market, underground activities. However, Nino's wild lifestyle catches up with him and he is eventually killed in an accident.