Sofia is the capital. Hope this helps you.
He doubled the size of the empire and ruled much of the Mediterranean world.
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 built a huge domed cathedral called the Hagia Sophia, an enormous underground aqueduct, and a fabulous palace complex.
those are the answers for K12, OHVA to be exact
Issued a new form of constitutional protection
Answer:
Question seems to be incomplete
Explanation:
the answer to your question is a) they had advanced planning and developed effective military methods.
