3 more questions:
1) I don’t believe Appollonia as a Sicilian girl would have her armpits shaved.
http://en.wikipedia.org/wiki/Underarm_hair#History_of_underarm_hair_removal
(Unless it's true what Calo said: She tries to "make a good American wife"

2) The officer at the tollbooth must have been killed too. Look at the bullet holes. Have I missed something?

3) Why does Michael open the window before he makes love to Appollonia? Is that an old Sicilian tradition to let the neighbors hear the love making noises? ;\)