Which sentence best describes the effect of the delegates' actions on European geopolitics?

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

i'm pretty sure the answer would be

c. england

hope this best of luck sorry if i'm wrong

~animaljamissofab ♥