I don’t quite understand your question
One very negative consequence of increased feelings of nationalism after WWI was the rise of fascism or so-called national socialism in countries like Germany and Italy. These governments appealed to nationalism and blamed such groups as the Jewish people for their economic problems in the late 20's and early 30's and also believed they had the right to invade and control other countries.
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
William Few and Abraham Baldwin