Answer:
see below the con and pros
Step-by-step explanation:
pros
in the modern-day city of Istanbul which was Constantinople, now its Istanbul, not Constantinople. Which provided the inspiration for a song made famous by They Might Be Giants.
cons
the fall of Byzantine empire, the question of what life would be like, if it hadn’t, will never be answered. Sure, there might be some alternate reality where the Byzantines are alive and well. Aspects of string theory certainly suggest so. But who knows what the modern political landscape might look like with the formal existence of the Byzantine?
pros
The fall of the Byzantine empire is part of the history of the world, as we know it. We might wear hats on our feet for all we know. What might the world look like if the empire had not fallen?
cons
Fall of the Byzantine empire led to an abundance of knowledge that is lost forever, think about that forever. The loss of “Greek Fire” is definitely a drag. Greek Fire was an incendiary weapon used by the Byzantine navy, and could burn on water. No one knows just what went into that technological advantage possessed by the Byzantines.