Why is the Peace of Augsburg considered an important turning point in the history of the Reformation?

Question

anonymous · Answer

It officially ended the religious struggle between the two groups and made the legal division of Christendom permanent within the Holy Roman Empire. The Peace established the principle Cuius regio, eius religio, which allowed German princes to select either Lutheranism or Catholicism within the domains they controlled, ultimately reaffirming the independence they had over their states... http://en.wikipedia.org/wiki/Peace_of_Augsburg