Recently the point of view is the battle occurred because of the Kinai power trying to reorganize a logistics system, originally taking initiative of the northern Kyushu power who took the lead in acquisition and nation-wide distribution of raw materials including iron and shipped goods from the continent.
近年ではむしろ北部九州勢力が中心となって、鉄などの資源の入手や大陸からの舶載品などを全国に流通させていた物流システムを畿内勢力が再編成し直そうとして起こった戦いであったという。