I believe the answer is D: Early followers had different opinions about who would lead them.
After the death of Prophet Muhammad, nobody knew who would lead them again, and the religion split apart into two due to this.
According to npr, most of the Prophet Muhammad's followers wanted the community of Muslims to determine who would succeed him; a smaller group thought that someone from his family should take up his mantle.
<em>If this is incorrect, please, don't refrain to tell me. Thank you. </em>
5 is 3 because it is true
6 is i beleive 1.
The Speaker of the House of Representatives follows the Vice in Presidential succession. <span />
