Who was involved in the power struggle that led to the schism in christianits?

The power struggle that led to the schism in Christianity primarily involved the Eastern Orthodox Church and the Roman Catholic Church. Key figures included Pope Leo IX and Patriarch Michael I of Constantinople, whose disagreements over theological and political issues culminated in the Great Schism of 1054. Disputes over papal authority, liturgical practices, and cultural differences further exacerbated tensions between the two branches, ultimately resulting in their formal separation.