One of the Byzantine empires greatest accomplishments was?

One of The Byzantine empire's great achievements was the preservation of Roman and Greek Culture. In 476 in the West, the Romans collapsed. Along with their downfall, many libraries and other documents were lost. The Byzantine empire survived in the east, along with the rest of the Roman Empire.

Explanation:

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.

uncle sam would be tossing and turning in his grave : *)