Which of the following is true of the roman empire at the end of the fourth century ce?

constantinople briefly served as the capital but was quickly conquered by the persians.
christianity was the official religion, as established by constantine the great.
islam was the official religion, as established by constantine the great.
the western roman empire flourished, but the eastern portion of the empire struggled.

B, Christianity was the official religion, as established by Constantine the Great.

Explanation: Constantine was able to establish Christianity as the official religion after he converted to Christianity. I hope this helped

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

your answer is

to dominate europe

and i know for a fact it can't be the others