The Roman Empire was located Rome and was the ''western half of the old Roman Empire'' .In Rome they spoke latin and they were roman calthic, and they fell in the ''dark ages''.The Byzantine Empire was located in Constaniople. Their religion was Eastern Orthodox and they spoke Greek. They were in the ''eastern half of the old Roman Empire''. When the Byzantine empire was created the had a major impact on Russia. When the roman laws were made Justinian made them easier to understand, so people could understand them. Justinian's wife, Theodora had a major role when Justinian was in power. She helped him choose army officals. she encourged him to make fair laws for the women. She wanted to make a law that the parents gave the land to the women.