Shugo and Jito were given the power of collection for provisions of rice for the army and the control of Zaichokanjin (the local officials in Heian and Kamakura periods) and so on, which was the opportunity for Yoritomo administration to expand control over local lands across Japan.
守護・地頭には、兵糧米の徴収権、在庁官人の支配権などが与えられ、これは頼朝政権が全国的に在地支配を拡げる契機となった。