Based on the given image above, the correct answer would be C. The region that shows how far Islam had spread 100 years after Muhammad's death is region C. Muhammad<span> and his followers </span>spread<span> the teachings of </span>Islam<span> throughout the Arabian peninsula. After his death, expeditions such as "openings" have emerged </span><span>into what is now Egypt and other parts of North Africa. Hope this answer helps.</span>