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These are the events that led to the Great Schism.
What is Officials in the Christian church disagreed on specific issues. Christians argued whether Jesus was human, divine, or both. Christians in Western Europe and Christians in Eastern Europe differed on whether icons should be used as part of worship. Centuries after, disagreements began to appear about church leadership. Bishops of Rome known as the popes, claimed authority over the whole church, while eastern patriarchs and the Byzantine emperor disagreed.