The purpose of this research was to renovate conventional arguments about the composite formation of historic European states from the point of dynamic view. This research analyzed variable moments and magnetic features of conglomerate polities in the early modern Europe with focusing on the interaction between principles of polities and practices of governance. This research was promoted with international collaboration of historians between Japan and Europe in order to compile each argument about conglomerate polities of Europe from a more general perspective. As a result, this research aroused comprehensive academic discussion about a new framework of analysis to combine historical perspective of state formation from medieval to modern times with the perspective of constitutional concepts of polities like a monarchy or republic.
