From around the time of the Onin War, there were increasingly prominent clashed between different Shugo; keeping pace with that was the desire for independence (kokujin revolts, etc.) on the part of the kokujin, who were the local lords.
応仁の乱の前後から、守護同士の紛争が目立って増加しており、それに歩調を合わせるように、在地領主である国人の独立志向（国人一揆など）が見られるようになる。