Question: Why did the roman catholic and eastern orthodox split?
Disambiguated questions and answers: question: In general, why did the roman catholic and eastern orthodox split?
What are specific doctrinal reasons for why the roman catholic and eastern orthodox split?
answer: theological and political differences
ecclesiastical differences and theological disputes
the procession of the Holy Spirit, whether leavened or unleavened bread should be used in the Eucharist, the Bishop of Rome's claim to universal jurisdiction, and the place of the See of Constantinople in relation to the Pentarchy
Natural Questions answer: ecclesiastical differences and theological disputes (from the Wikipedia article "East–West Schism")