When Michael and Sollozzo switch to speaking Italian during the cafe scene, the subtitles Really don't get their dialogue. The conversation (translated in English) is within the novel. The Godfather was in a sense a results of the proper storm of financial conditions colliding using a modifying socio political landscape. https://webcastlist.com/story19959938/the-greatest-guide-to-7-reason-why-the-godfather-master-piece