Most Muslims are Sunni Muslims; however, the Shiites are a forceful minority in some parts of the Middle East. The Sunni-Shiite split in Islam developed over __________.
The Sunni-Shiite split developed over who should lead the Islamic Community after the death of Muhammad: should it be Ali (Shias) or Abu Bakr (Sunni. Sunnis actually accepted Ali as one of the Caliphs too).