Especially, since most personnel who knew well about Europe and America were naturally those who had studied abroad and they were former retainers of shogun, this caused strong antipathy from Toshimichi Okubo who thought the fastest way of reformation was to wipe out old retainers of shogun.
特に欧米の事情に通じた人材となると、自然と幕末に留学をした旧幕臣が占める割合が高くなってしまい、特に旧幕臣の一掃こそが改革の早道と考える大久保利通らの反感を強める原因となった。