Joseph Heco,
The narrative of a Japanese; what he has seen and the people he has met in the course of the last forty years…
(1895)
“ Now, although this action on the part of the Shōgun's Government averted unpleasantness with the Americans, it was the source of nearly all the internal troubles it has since been called upon to cope with. For the Treaty was signed without leave from the Mikado; and the Western Daimio, who had been chafing under the yoke of the Tokugawas for the last two centuries and a half, were quick to take advantage of this usurpation of the Mikado's powers by the Bakufu, and to employ it as a means of withdrawing themselves from dependence on Yedo. ”
