A New Era in the World and Religion

I have seen read how religion took its hold in American politics since Carter, but it seems to me that America, pretty much had never taken its religion and apply it to international politics. That was until 9-11, that I began to see a transformation, a transformation which i understood and expected to stop at an early point. The terrorist attacks was a tragedy, and i understood that American religion would be used as a means of comfort and security. What I continue to not understand is how American religion continued to play an even bigger role in international relations as time passed. The most shocking thing for me was how America's diversity of religion melted together into a uniform religion/political sentiment on US foreign policy; a foreign policy argued under theological premises. From all this it seems as if American religion was use not only as a means of bringing comfort and security, but also a platform for revenge. This is contradictory to what American religion has taught and because of this i believe that a new era will emerge in which people will shy away from religion in matters of international relations.