The correct answer is C. He ran out of money.
Justinian I failed to regain all of the former provinces of old Roman Empire because he ran out of money. His once powerful army was weakened by the plague and the finances were down. He ran out of options.
Justinian I or Justinian the Great was the Eastern Roman Emperor from 527 to 565.
The economy of Ancient Athens was one of the most thriving in the Ancient world, due mostly to the fact that their economy focussed heavily on trade both within and outside the empire.
Answer:
I dont know all but i do know that The US joined the war because of it.
Explanation: