Complex sentence: At the conference, Ferdinand cajoled, persuaded and threatened the various representatives into agreement on three important principles: "cuius regio, eius religio", ecclesiastical reservation, and the Declaration of Ferdinand.
Split into simpler sentences: At the conference, Ferdinand cajoled, persuaded and threatened the various representatives into agreement on three important principles. Cuius regio, eius religio, Ecclesiastical reservation, and the Declaration of Ferdinand.