Final answer:
The question revolves around the early history of Christianity, key figures in its establishment, and the influence of the Roman Empire on its development, including Jesus, Roman emperors, and church leaders.
Step-by-step explanation:
The subject matter refers to the history of Christianity and its key figures throughout different periods, especially during the Roman Empire. It discusses significant individuals such as Jesus Christ, emperors of Rome, and various leaders of the Christian church like high priests and apostles. The text touches upon the efforts of Jesus to reform society and his subsequent crucifixion by the Romans. It also covers the rule of Emperor Justinian and his attempts to reestablish orthodox Christian belief, as well as the response of Christian leaders to the Arab-Muslim Conquests. Included is the mention of high-profile conversions to Christianity, opposition to church leaders, and theological disputes that would shape the early Christian church.