Um could you repost the question its not fully on the website
Answer
It could be A but I’m not certain
Explanation
The founder of the Byzantine Empire and its first emperor, Constantine the Great, moved the capital of the Roman Empire to the city of Byzantium in 330 CE, and renamed it Constantinople. Constantine the Great also legalized Christianity, which had previously been persecuted in the Roman Empire.
Advisory. The cabinet of ministers would advise the president about the pros and cons of each decision and ultimately, it would be the President's decision to make.