1.clergy
2.nobility
3. common people
It was "Vladimir the Great" who ordered Russians to convert to Orthodox Christianity, since he was very much impressed by the Orthodox churches in Constantinople.
D. Representatives
The Republican Form of government is one in which the powers of sovereignty are vested in the people and are exercised by the people, either directly, or through representatives chosen by the people, to whom those powers are specially delegated.
hope i helped, sorry if its wrong
Answer: Magna Carta was very important for the whole development of parliament.
Explanation:
Constantine because there was a conference in 326
