Especially in Togoku (the eastern part of Japan), many lower-ranking nobles from the samurai class were indigenized as kaihatsu-ryoshus and they often solved land disputes by force, but they gradually became closely united by forming groups of samurai and laid down the foundation for the Kamakura bakufu (Japanese feudal government headed by a shogun).
特に東国では武士身分の下級貴族が多数、開発領主として土着化し、所領の争いを武力により解決することも少なくなかったが、次第に武士団を形成して結束を固めていき、鎌倉幕府樹立の土台を築いていった。