Yes, religion if given control of kingdoms, and domains are the most dangerous forms of government.  IRAN, is a case in point.

Look at it -- The government and kingdoms of the past have been used to keep "religion" in check.  It does not matter if this is acknowledged or not, it is true.  Historically proven.  Today, however, we have a most recent, historically, proof of this -- Iran, the once great Persian Empire, dating back before the Christian religion.