The empire was spit because it was believed that this empire had become to large and complex for one ruler to handle.
Answer:
After the fall of Rome wasn't the actual fall of Rome but actually only the western part of rome has fallen I believe the key of keeping their language and history on scriptures and texts, even though we know little about certain topics such as what's Greek fire made of the eastern empires still lived afterwards wtih some valuable reelects, and acient texts remained of the Rome's past events and etc
A. Florence, Italy was a city state in the 14th century.