Me ! islam is divided into two groups, sunni and shia. they have similar beliefs with one major difference. what is the major difference that divides these two groups. a. sunnis believe that all those of the islamic faith must following the teachings of confucius. b. shias believe the islamic faith should have an additional pillar of faith. c. sunnis believe the leader should be the one best suited for the position and shias believe the leader should be a direct relative to muhammad. d. shias believe the leader should be elected by the people while sunnis believe the leader should inherit the position.