The issue that confronted Muslims following Muhammad's death, and the issue which eventually split Muslims into Shi'a and Sunni sects involved
(A) the toleration or persecution of christians and Jews.
(B) who was Muhammad's legitimate successor.
(C) the conversion of non-Arabs to Islam.
(D) the morality of the holy war (jihad) against enemies of the faith.
(E) the accuracy of different translations and versions of the Quran.
Answer: B