What effect did the great schism have on catholicism? three popes allowed the church to reach a much larger population than a single pope, so the church gained greater influence. it created the church of england when henry viii broke with the catholic church in order to annul his marriage to catherine of aragon. it shook the foundation of the religion, which held that the one true pope was the ultimate authority on all religious matters. it provoked martin luther to post his ninety-five theses on castle church in wittenburg.

" It shook the foundation of the religion, which held that the one true pope was the ultimate authority on all religious matters."

Explanation:

The Schism of the East and the West, or the Great Schism (also used to refer to the Schism of the West), or to a lesser extent known as the Schism of 1054, refers to a conflictive religious event that occurred in the year 1054. In said conflict was the mutual rupture and excommunication between the highest hierarch of the Catholic Church in Rome, the Pope or Bishop of Rome (together with Christianity of the West), and the ecclesiastical hierarchs of the Orthodox Church (together with the Christianity of the East) especially the chief among them, the ecumenical patriarch of Constantinople. Its direct antecedent is known as Schism of Photius.

the two major parties acting together and cooperating when making decisions is bipartisan

to protest slavery i would think it would be a