Question

what are the reasons for the downfall of eastern roman empire??

Answer 1

It survived the fragmentation and fall of the Western Roman Empire in the 5th century AD and continued to exist for an additional thousand years until it fell to the Ottoman Turks in 1453. During most of its existence, the empire was the most powerful economic, cultural, and military force in Europe.

Answer 2

The Eastern Roman empire began to decline after Justinian. It collapsed with the capture of Constantinople by the Turks in the fifteenth century.