The two main sources of of Constantinople's economic well-being was largely due to;
These two factors contributed greatly to the capital city economic boom
The Byzantine empire was know to accommodate a lot of trade. Its capital Constantinople was a major trade hub for agricultural produce.
Constantinople was a prime hub in a trading network that at various times extended across nearly all of Eurasia and North Africa.
Another important factor was the taxation system. The country side paid more taxes than the cities, therefore people were forced to move to the city for trade.
The Byzantine Empire, which is also known as the Eastern Roman Empire or Byzantium, was the extension of the Roman Empire in its eastern provinces.
This empire existed during the during Late Antiquity and the Middle Ages, when its capital city was Constantinople.
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