Answer:
The best description would be that they were regularly attacked by the arabs eventually leading to the fall of the Byzantines and there empire and lead to the citys rename to istanbul which is still there in modern day middle east. It is The empire was regularly attacked by Arab Muslims. I hope this helped.
Explanation:
I believe the centers of learning and art in the early middle ages were in monasteries.
Answer:A
Explanation:I'm pretty sure thats it
Blocs - a <span>combination of countries, parties, or groups sharing a common purpose.</span>
Answer:
1492 was the 15th Century
Explanation: