Ok fine. But the suggestion is that not much time spans over the course of the film, couple of months tops. So Mama must have deteriorated pretty rapidly
When Hyman Roth comes back from Israel and wherever else he went to, he says he came home to vote in the presidential election as he couldn't get an absentee vote. The presidential elections were held in November 1960.
But the major part of the film and the time table you refer to from the communion to Carmela's death was probably only a couple of months, I would guess 5-6 months.
Like you, I also found it a little strange how she was death all the sudden.
But sometime after Mike returned from Cuba and the senate hearings are held against him, he goes to see his mother inside one of the buildings in the compound. In that scene you see her sitting by the fire with a blanket on which suggests she could have been sick.
