Which of the following led to the development of christianity in the Byzantine empire?

hi your question lacks the options here is the complete question and options

Which of the following led to the development of Christianity in the Byzantine empire?

(a) The apostle Paul spread Christianity throughout the empire.

(b) The power of the Christianized Roman Empire declined.

(c) The Romans abandoned a long history of Christian persecution.

(d) The spread of the Christian religion after Constantine converted to it

Answer : The apostle Paul spread Christianity throughout the empire

Explanation:

The Byzantine empire was regarded/recorded as the eastern Roman empire is an ancient Greek colony located in the eastern part of Europe and its capital was Constantinople

Apostle Paul was instrumental in the spread of Christianity throughout the Roman empire during his various missionary journeys and the Byzantine empire was the Eastern Roman Empire it is present day Istanbul in Turkey and it was a fragment of the Fallen western Roman empire that survived for thousands of years more

So far i think it's The apostle Paul spread Christianity throughout the empire.