From the end of the ninth to the beginning of the tenth century, it was no longer possible to keep the Ritsuryo system (a system of centralized government based on the Ritsuryo code), based on the huge bureaucratic organization and the sophisticated statutory system, and a dynastic nation-state was newly established, in which certain administrative and legislative authorities were undertaken by the local officials and central bureaucrats.
From the end of the ninth to the beginning of the tenth century, it was no longer possible to keep the Ritsuryo system (a system of centralized government based on the Ritsuryo code), based on the huge bureaucratic organization and the sophisticated statutory system, and a dynastic nation-state was newly established, in which certain administrative and legislative authorities were undertaken by the local officials and central bureaucrats.