Yoritomo was facing a difficult situation requiring that he maintain and reinforce what he had obtained with military force even during time of peace, by political negotiation with the Imperial Court.
頼朝はそれまで軍事力を持って獲得してきたものを、朝廷との政治交渉によって、平時の状態でも確保し、補強しなければならない困難な状況に直面していた。