 Led by Salvatore Maranzano in Brooklyn, the Mafia from Castellammare del Golfo levied a war against Joe 'the boss' Masseria in Manhattan, ending in the latter's murder.Salvatore Maranzano and Charlie 'Lucky' Luciano were the winners of the Mafia feud and called the heads of families from across the nation to meet and discuss the re-organization of the Mafia.Families from diverse locations were to gather in Chicago and hear how Salvatore Maranzano defeated Joe Masseria with the help of Lucky Luciano; they were to hear a new structure for organized crime in the nation that was destined to change the face of the Mafia.