The sheer man power they had. The allies had more troops than the axis powers could ever hope for. The US armies, Western Europe, and Russia combine was a huge force that the Axis had to deal with.
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.
Soldiers and/or warriors..
Answer: the slavery in the United States increased so then abram licion became president he began the war to free slaves
Explanation: hope this helps