Answer:
Many things led to Constantinople becoming a renowned metropolis. One of the most significant aspects was its strategic location between Europe and Asia, as well as its natural harbor. This enabled it to grow into a successful port city. Furthermore, Emperor Constantine invested a lot of money and effort into making his new capital a wonderful metropolis. He built wide avenues, meeting halls, a hippodrome, and a sophisticated water supply and storage system. Under Justinian's reign, Constantinople remained a key political and cultural center, becoming the first great Christian metropolis.
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