In this turbulent and critical era, the Choshu domain and Satsuma domain, belonging to the anti-bakufu group, and domains in the northern region and the Hakodate government, belonging to the old bakufu group, relied on sakaya for obtaining information and transporting cargoes on innumerably many occasions.
風雲急を告げるこの激動の時代に、長州藩・薩摩藩などの反幕府側も、北国諸藩・箱館政権など旧幕府側も、酒屋に頼った情報入手、物資輸送の例は数知れない。