Final answer:
The most important difference between Sunni and Shia is the issue of leadership and succession, and the interpretation of Islamic teachings by each group.
Step-by-step explanation:
The most important difference between Sunni and Shia is the issue of leadership and the succession of the Prophet Muhammad. After the death of the Prophet, the Sunni Muslims believed that Abu Bakr, a close companion of the Prophet, should become the caliph and that leadership should be based on consensus. On the other hand, the Shia Muslims believed that Ali, the cousin and son-in-law of the Prophet, should be the caliph and that leadership should remain in his family.
Another important difference is the way they interpret and follow the teachings of Islam. Sunnis rely on the teachings of the Prophet Muhammad and the consensus of the community, while Shias also give importance to the teachings of the Prophet's family, known as the Ahl al-Bayt.
The differences between Sunni and Shia have resulted in different religious practices, political conflicts, and cultural traditions, particularly in regions with a significant Muslim population.
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