While Buke no toryo distributed territories to their kenin, they actively sought to become kokushi, which would provide them both handsome income, or to obtain a higher rank, which would lead higher grade in the central government, or to access to the Imperial Palace to advance their political status in the Imperial Court.
こうした武家の棟梁に対する恩賞は、所領を棟梁から家人へ分け与える一方、棟梁自らはさらなる勢力拡大のために収入の多い国の国司職や、中央政界における地位向上につながる位階の昇叙、御所への昇殿などを獲得するよう積極的に運動した。