The Hizen Domain, which had been indifferent to the movement of overthrowing the Tokugawa shogunate since the Boshin War but had made progress in Domain duty reforms, was one of 'Yuhan,' so the Satchodo considered the Hizen Domain as their collaborator and let it supply its people for the Meiji Restoration government.
薩長土は、戊辰戦争の頃から、倒幕運動には不熱心だったが藩政改革が進んでおり開明的だった「雄藩」の肥前を仲間とみなし、肥前藩にも明治維新政府に人材を供給させた。