What effect did the practice of iconoclasm have on the byzantine empire? a. it united the eastern roman empire under the principle that the eastern orthodox church should expand farther into western europe. b. it divided the empire between eastern orthodox christians who wanted to join the catholic church and those who wanted to remain independent. c. it divided the empire between christians who wanted to use images in their worship and those who believed the images were sinful. d. it united the eastern roman empire in response to aggressive actions taken by the western european roman catholic church.