The correct answer is D) the Godfather.
The movie that set the stage for the blockbuster film on the early 70s was the Godfather.
Directed by Francis Ford Coppola, the Godfather(1972) became an icon in the film industry that influenced another movie directors to film pictures about the Italian Mob and its relationship with the crime. The original novel was written by Mario Puzo, refers to the life of the leader of a fictional crime family in New York, Vito Corleone(Marlon Brando) and his successor, Michale Corleone (Al Pacino).