During the Muromachi period, the Hatakeyama clan promoted the domination of Kii Province (Shugo-ryogoku system [the system that a Shugo dominates a manor]), although it was forced to compromise with temple and shrine powers as mentioned above.
室町時代を通じ、畠山氏は前述の通り寺社勢力との妥協を余儀なくされながらも、紀伊の領国化（守護領国制）を進めていた。