In Musashi Province, the Edo region and Iwatsuki-ryo of Musashi Province were seized by the Hojo clan and both the Tone-gawa River and Hitachi-gawa River Systems were put under its control, which gave the clan the control of the distribution and traffic systems in the region, and the anti-Hojo alliance in the Kanto region was forced to choose either to obey or confront the Hojo clan.
また武蔵の江戸地域、岩付領の支配を掌握し、利根川水系と常陸川水系の支配を確保、これによって流通・交通体系を支配したため、関東の反北条連合は従属か徹底抗戦の二択を迫られるまでに至った。