Question

Which was a cause of the breaking off the eastern half of the Roman Empire?
A. Large numbers of non-Christians were living in the eastern half of the empire, which meant the continued elevation of the emperor to godlike status.
B. The Roman economy had become centered in the eastern half of the empire, which had vast natural resources and more avenues of trade.
C. Civil war erupted in the western half of the empire over continued expansion of the imperial borders into Eastern Europe.
D. Constantinople was closer than Rome to the most-threatened imperial