In spite of his agreement to allow for one year of discussion, he returned after only half a year away and daringly pressed the Japanese government for a decision, which made the Shogunate understandably anxious.
幕府との取り決めで、1年間の猶予を与えるはずであったところを、あえて半年で決断を迫ったもので、幕府は大いに焦った。