Answer:
The invention of the printing press increased literacy rates throughout Europe.
Explanation:
Pieces of literature became more common as it was easier to produce now, allowing the general public read more frequently.
The more allies Rome had the more territory it could have under its control. Also the other places bring new cultures into Rome so that it could grow in that aspect as well.
The correct answer is that numbers 1, 2 and 3 are accurate and number 4 needs revision. The Edict issued by the emperor Constantine didn´t fail because it protected and preserved the freedom of worship for the Christians and even other forms of beliefs. The Concil of Trent occured much later as the Protestant Reform was a threat to the Roman Catholic Church.
