Moreover, the ranks of the nobility involved in military affairs had been greatly thinned by the recent wars and rebellions, which allowed the Taira clan to achieve a monopoly over the vital roles of preserving the peace in Kyoto, suppressing revolts in the provinces, and protecting and managing the shoen (private estates), and they also held de facto power as the sole police authorities throughout the country.
さらに多くの軍事貴族が戦乱で淘汰されたため、京都の治安維持・地方反乱の鎮圧・荘園の管理の役割も平氏の独占するところとなり、国家的な軍事・警察権も事実上掌握した。