1. who do the byazantine people consider themselves to be?
2. why would the bararians want to attack constantinople? who invades?
3. how do the byzantines keep the huns?

1) Byzantine people consider themselves to be "Romans"
2) The barbarians wanted to attack Constantinople to take the land, the "visigoths" or "mongols"  were the ones who attacked
3) They keep them at bay
I hope these are the answers for you :)