Final answer:
The pope, as the archbishop of Rome, issued rules governing the whole Church.The correct answer is B) Pope.
Step-by-step explanation:
The correct answer is B) Pope.
The pope, also known as the archbishop of Rome, was the figure who issued rules governing the whole Church. Over time, the Roman archbishops asserted their authority and came to be known as the pope, meaning 'father' of the church. While their authority was not initially recognized in much of the eastern part of the Empire, it eventually gained acceptance in the west.