Answer:
Justinian I served as emperor of the Byzantine Empire from 527 to 565. Justinian is best remembered for his work as a legislator and codifier. During his reign, Justinian reorganized the government of the Byzantine Empire and enacted several reforms to increase accountability and reduce corruption.
They make swords shield for the king´s army
He abolished slavery and started the civil war
The capital city of the Eastern Roman Empire (aka Byzantine Empire) was called Constantinople. The city was named after the Emperor Constantine of the Roman Empire.<span />