The correct answers are B) maritime laws and D) Christianity flourishing.
The Byzantine Empire was known for its maritime laws, and Christianity flourishing.
It was the Roman Emperor Constantine 1 who moved the capital of the empire to Constantinople, Byzantium, in modern-day Turkey because it represented a strategic place for control and trade. During Medieval times, the Byzantine Empire ruled over most of Europe and parts of Asia. The Byzantine Empire fought with the Muslims to control maritime routes in the Mediterranean Sea, creating maritime laws. Religion was an important component of the Byzantine society and Christianity flourished during the time of the empire.