The Peace created Creating the principle of `` Cuius regio , eius religio '' ( Latin for `` whose realm , his religion Rite '' ) , which meant that the religion of the ruler decided Deciding the religion Rite of the inhabitants .

This principle excluded Preventing_or_letting , or `` reserved Preserving '' , the ecclesiastical territories of the Holy Roman Empire from the application of `` cuius regio , eius religio '' , or `` whose rule , his religion '' , as the primary means of determining Deciding the religion of a territory .

Cuius regio , eius religio ( ) is a Latin phrase which literally means Protest 'whose realm , his religion ' , meaning that the religion of the ruler was to dictate Statement the religion of those ruled .