Edo era political activists who favored the return of the emperor to power. They called themselves "The men of high purpose." Most were from the Satsuma and Shoushou regions with generations of raw feelings about treatment after their defeat in the early 1600s at the Battle of Sekigahara. Ii Naosuke, had put a young boy as Shogun and signed treaties with the West, after Commodore Perry forced open ports. The treaties put Japan at a severe disadvantage. This made Japan weak and vulnerable.) Some were assassins and some spread terror among the foreigners. Others were more scholarly, such as Yoshida Shouin. And a few went on to be major influences in the Meiji era government.
Sonnou Joui by Павло Гетманцев