On the other hand, the Edo bakufu, on the alert for foreign countries calling for the opening of Japan, started to suppress political and ideological activities, and crackdowns such as Siebold Incident and Bansha no goku (Imprisonment of scholars of Western learning) took place, which were followed by orders to restrict translation of foreign books.
一方、外国からの開国要求を警戒した江戸幕府により、政治・思想面では抑圧が加わり、シーボルト事件、蛮社の獄などの弾圧事件が起こり、続いて蘭書翻訳取締令が出された。