Answer:
The right answer is:
d. linguistic, theological, and cultural differences.
Explanation:
In 1054 AD, the year of the schism of Christianity, many differences and contradictions had accumulated. The theology of the Eastern Church was based on Greek philosophy, while the Roman Church´s theology was based on Roman law. Here was a source of misunderstandings, particularly around a fundamental doctrine: the emanation of the Holy Spirit from the Father. The Orthodox Church also questioned the enforcement of celibacy by Rome, the exclusive right of bishops to administer confirmations and the presence of unleavened bread in the Eucharist. Political rivalries and interests also played a role in this division that continues until today.
Answer:
about 3/4th of the population
Muhammad was a political leader because he was a leader of the state, and he was a religious leader because he was a prophet of the lord according to Islamic beliefs. He received numerous instructions from god through the angel Gabriel, known in Islam as Jibril, and based on these rules and guidelines the Quran was created. People who were Muslims before Muhammad also accepted that it was a religion based on having prophets of the lord such as Abraham, Noah, Jesus, and others, but the stories slightly differed, with Muhammad being the final prophet that this world has seen.