In matter of fact,Mori or Mouri after they were deprived Of Aki, Iwami, and Izumo had each year a seremony where a clan leader would ask all the elders present would there be now a right time to or will to throw off the Shogunate.This is only a legend, but still in Boshin war that ended the Tokugawa Shogunate.The main effort came form Choshu(Mori) domain and Satsuma(Shimazu) domain