Description acceptable. The “no second thought” law was promulgated to support this policy, and it blocked Charles W. King’s attempt at repatriating seven castaways in an event known as the Morrison incident. In a conflict preceding the establishment of this policy, Nicolas Couckebacker put Hara Castle to siege. The Sō clan grew more powerful because they were allowed to partially circumvent this policy. As part of this policy, a religious group investigated with fumi-e was forced to go into hiding. This policy put an end to a period named after “southern barbarians,” or nanban. As an exception to this policy, one compound at Dejima allowed for the development of “Dutch learning.” This policy ended after the arrival of Matthew Perry. For 10 points, name this policy under the Tokugawa Shogunate that restricted travel to and from Japan. ■END■
ANSWER: sakoku [or Japanese isolationism; accept kaikin; accept Nihon or Edo Shogunate or Tokugawa Shogunate or Tokugawa bakufu in place of “Japan”; prompt on isolationism; prompt on persecution of Japanese Christians or equivalents]
<Cambridge B, World History>
= Average correct buzz position