The Wealth of Nations by Part 5 Chapter 1 Page 288

contending religious sects. But this could be done only by adopting, or at least by favouring, the tenets of that particular sect. The sect which had the good fortune to be leagued with the conquering party necessarily shared in the victory of its ally, by whose favour and protection it was soon enabled in some degree to silence and subdue all its adversaries.

Those adversaries had generally leagued themselves with the enemies of the conquering party, and were therefore the enemies of that party. The clergy of this particular sect having thus become complete masters of the field, and their influence and authority with the great body of the people being in its highest vigour, they were powerful enough to overawe the chiefs and leaders of their own party, and to oblige the civil magistrate to respect their opinions and