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>
The question is asking for a kind of theory or framework that assumes that increasing a contact within groups will diminish conflict or negative behaviour between the groups.
The answer is: contact hypothesis.
This hypothesis basically states that if people have contact with other people, they won't think about them as "the other" but will have an increased understanding and positive association with them.
Ask internet this ... hope you get the answer ;)
The leaders of the Mayan were Itzamn and Kukulcan
