Aspects of this topic are discussed in the following places at Britannica.
...incident, and the bakufu failed to adopt a consistent policy. In 1825, responding to a proposal by Takahashi Kageyasu, Edo authorities promulgated the Order to Drive Away Foreign Ships (Ikokusen uchiharairei), which also enjoined coastal authorities to arrest or kill any foreigners who came ashore. This was also known as the ninen nashi or “no second thought”...
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