Before that, even though the ban had been lifted, if they acted openly they could be considered as ones with traitorous intention against the Edo bakufu and immediately subjected to penalties.
それまで蘭学は禁令が解かれたとはいえ表立って行動を起こせば幕府への反逆の意思ありとみなされ、即処罰の対象にされかねない状況であった。