Which factor contributed to the division of Western and Eastern Churches into Roman Catholicism and Eastern Orthodoxy Growing power of Islamic caliphates
Opposing opinions on Christian theology
Declining interest in the Crusades
O Dwindling trade across European kingdoms

Opposing opinions on Christian theology.

Explanation:

Disagreements over religious dogmas led to a church schism in 1054, an event known in history as the Great Schism. The reason for the schism can be traced back to ancient roots. The Western Roman Empire aspired to Latin while the Greek language was forced to the east. In the context of schism, elements related to worship itself are also mentioned. There was a problem with serving unleavened bread and fasting on the Sabbath. Both churches changed certain service elements, which further fostered the schism between the two churches.

answer: to communicate with people on the other side.

explanation: