Following Phaetons visit, the Bakufu reinforced coastal defenses and promulgated a law prohibiting foreigners coming ashore, on pain of death (1825-1842, Muninen-uchikowashi-rei). The Bakufu also requested that official interpreters learn English and Russian, departing from their prior focus on Dutch studies.
After Phaetons arrival, the Bakufu bolstered coastal security measures and enacted a law that forbade foreigners from landing, with severe penalties (1825-1842, Muninen-uchikowashi-rei). Simultaneously, the Bakufu instructed official interpreters to study English and Russian, shifting away from their earlier emphasis on Dutch studies.