In 726 A.D., Byzantine emperor Leo III banned the use of icons, or religious images. This became a controversial issue because not all Byzantines agreed with the ban. This was one of several controversies that contributed to the

A.
Byzantine Empire's creation of the separation of church and state.
B.
weakening of the Church and the rise of Islam within the Byzantine Empire.
C.
split between the Roman Catholic Church and the Eastern Orthodox Church.
D.
banning of the practice of any religion other than Christianity in the empire.

C. split between the Roman Catholic Church and the Eastern Orthodox Church.