Answer:
This question was asked like forever ago, but for people in the future, this is the sample answer you are given after you actually answer the question:
"Muhammad failed to identify a successor, so after his death, disagreements developed among Muslims about who would follow him as caliph. Some, who would be called Sunni, believed that anyone can lead the Muslim community. Others, who became the Shi'a, opposed the Umayyad Dynasty and felt that only those very close to Muhammad should lead Islam. This dispute helped lead to the Sunni-Shi'a split."
Step-by-step explanation: