Answer :
The Great Schism is involved the division between Eastern Orthodox and Roman Catholic Christianity. The Schism was sparked by disagreements over papal power.
What is the Great Schism and why did it happen?
The Great Schism was caused by a convoluted mix of religious disputes and political pressures.
The use of unleavened bread for the sacrament of communion was one of the primary religious distinctions between the western Roman and eastern Byzantine branches of the church.
Thus, option B is correct.
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