Respuesta :
He was related to Muhammad by blood. Ali was Muhammad's cousin as well as Muhammad's daughter Fatima's husband.
Answer:
A major reason why some Muslims believed that Ali was the true successor to Muhammad was that he was related to Muhammad by blood.
Explanation:
When Muhammad died in 632, no way of deciding who had to succeed him had been enabled, finally resorting to a traditional system of choice among his most prominent followers. Those who took sides with Ali, Muhammad's cousin and son-in-law, however, felt that he was the only legitimate successor since he had been the closest relative to Muhammad.