List 3 reasons why constantinople is an important city in the ancient world

The following are the three reasons why Constantinople is an important city in the ancient world: Constantinople is the city that witnessed the fall of Christianity with the fall of the Eastern Roman Empire and the rise of Islam  The one who controlled Constantinople was the one in control of the trade that happened between various European countries and Asian countries. Constantinople bore enormous wealth and some great architectural structures which were deemed significant in the ancient Roman Empire.