The Great Schism was between the Roman Catholic Church and the Greek Orthodox Church.
The Great Schism refers to a conflictive religious event that occurred in 1054. In this conflict there was a mutual rupture and excommunication between the highest hierarch of the Catholic Church in Rome, the Pope or Bishop of Rome (together with the Christianity of Occident), and the ecclesiastical hierarchies of the Orthodox Church (together with the Christianity of the East) especially the principal of them, the Ecumenical Patriarch of Constantinople.
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Saudi Arabia–United Arab Emirates border dispute
The United Arab Emirates Saudi Arabia
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B) Control of the abuse of power
This would also be considered “checks and balances.” The president “checks” Congress by vetoing bills if he feels the need to do so.