Why didn't Dickie just...
... give Silvana the money to pay for an abortion? Not only could he have easily afforded it, but he knew what pregnancy meant for a single woman in Mongibello. I mean, Dickie could be a slime, but would he really have been that heartless? If nothing else, wouldn't he have worried she'd rat him out to Marge? After all, Marge made it clear to Dickie she questioned his whereabouts at times.