What were Justinian's achievements?
Choose all correct answers.
He created a code of law that helped unite the Byzantine Empire and later served as a model for the codes of law in many modern nations.
He doubled the size of the empire and ruled much of the Mediterranean world.
He built a huge domed cathedral called the Hagia Sophia, an enormous underground aqueduct, and a fabulous palace complex.
He moved the imperial capital from Rome to Byzantium, so it would attract people from all over the world.
