I'm guessing you are talking about the Eastern Roman Empire, or the Byzantine Empire.
the Byzantine Empire a) remained strong for several centuries, until it fail to the Ottoman Turks at ~1346 ad
hope this helps
The correct answer is C) Unlike the Roman Catholic Church, the Eastern Empire was based in Constantinople.
At that time Roman Empire was divided into two because of its size, the Eastern Roman Empire was also called the Byzantine Empire. It was based in Constantinople - today is known as Istanbul. At that time Catholic Church was the state religion and there was five jurisdictions within the Catholic Church - Rome, Constantinople, Antioch, Jerusalem, and Alexandria.
