The use of Religion as a means of unifying society.

So much of European History is the history of the complex relationship between faith and governmental bodies Unlike the development of American Politics, European systems of government, for the most part, did not seek a separation of Church and State - in fact most believed it was necessary for Religion to be part of the political system in order to establish order and harmony in society. Defend or attack the use of Religion as a means of unifying society. While much of your focus should be centered around European history and practice, feel free to discuss contemporary American practice as well-