After the negotiation with senior officials of the Shogunate, including the plenipotentiary official Fukusai HAYASHI, a treaty (the convention of Kanagawa, or the America-Japan Treaty of Amity and Friendship) was concluded, ending Japan's closed-door policy, the so-called "Sakoku" system.
全権の林復斎らとの交渉により、日米和親条約が締結され、いわゆる「鎖国」体制は終焉した。