How Did Justinian Restore The Byzantine Empire

Emperor Justinian revived the Byzantine empire through his military triumphs, legal work, ecclesiastical polity and architectural activity and creating the Justinian Code. He was the sixth century emperor, and the only one who established an aristocracy by choosing men of humble birth as his closest advisors; for he wanted to work with honest and true people. His inner craving caused him to aggressively expand the empire and restore the Byzantine Empire to the prosperity comparable to the original Roman Empire.
Justinian's conquests expanded Byzantine to expand the empire all across the Mediterranean. His armies invaded the Vandal, Ostrogothic, and Visigothic kingdoms in turn, and, in a series of bitter wars, he reconquered much of the Mediterranean