1. What are the Main groups in Islam called?
2. What do the two main groups have a conflict or disagreement about?
1. The main groups in Islam are known as Sunni and Shia.
2. The main conflict or disagreement between Sunni and Shia Muslims is primarily related to the successorship of the Prophet Muhammad. Sunnis believe that the leadership of the Muslim community should be elected, while Shias believe that leadership should only come from the Prophet's descendants. This difference in belief has led to historical and ongoing tensions between the two groups.