Which statement describing an accomplishment of emperor justinian is true?

Emperor Justinian of the Byzantine Empire had many accomplishments. He is remembered for building Hagia Sophia, a church built during his campaign to beautiful Constantinople and restore Roman glory. Justinian is perhaps best remembered for his reform of the law. Thirdly, Justinian used the law to exercise absolute power over the Byzantine empire. He had himself deemed Christ's co-ruler on Earth.
 
I hope this helps found this in my lesson because i had to do it.