She couldn't bare the thought of her next born son growing up to be like his father and Michael got mad when he found out that she had an abortion when the whole time he thought she miscarried...
Michael had Tessio killed because Tessio betrayed the family by arranging Michaels assassination at the peace summit with the enemies Barzini and Tattaglia, which Michael realised when Tessio told...
His name is Carlo Rizzi The reason Michael ordered Pete to kill Carlo was that he at first blamed Carlo, for the slaughter of Santino/Sonny. Why?Because that Carlo beat Connie up, Connie called Sonny...