How did the excommunication of emperor leo iii affect the roman empire during the eighth century? it caused major tensions between the east and the west. it represented a victory for the iconoclasts. it improved relations between the east and the west. it led to an overthrow of the western roman empire.

Ultimately, the excommunication of Emperor Leo III of Syria led to major tensions between the East and West as it forced the issue between the Eastern and Western Churches of the veneration of icons. Ultimately, a truce did emerge but major tensions continued to exist between the two branches of what was originally the Roman Catholic Church.

The answer would be A, I just took the test.

its b they wanted to be able to expand their trade..

the roman army grew in size and became dominant in the mediterranean region.