Question

How did the growth of Christianity and Islam differ during the postclassical era?

A. While Islam spread, Mesopotamia experienced a decline in civilization; however, Christianity entered a Golden Age.
B. While followers of Christianity conquered nations to expand their numbers, Islam did not spread beyond a regional religion.
C. While Christianity spread, Europe became politically weaker; however, the Islamic Empire entered a Golden Age.
D. While Christianity expanded in influence, the number of people who practiced Islam decreased.