 Ramba uchinyora ndima iyi - Muna 1858 Curtius akaita shanyo yomutambo kuEdo somumiriri waMambo William III weNetherlands kuzopa mutero kuna Shogun Tokugawa Iesada. Akaperekedzwa nomunyori wake Dirk de Graeff van Polsbroek, uyo akasiya rondedzero yorwendo rwokuenda kuEdo mubhuku rake. MuEdo, Curtius akawana kuti American Consul Townsend Harris akanga apedza Chibvumirano cheAmity uye Commerce, iyo yakapa vaAmerica nzvimbo inobatsira zvikuru yokutengeserana kupfuura iyo yakanga yafarikanywa navaDutch. Naizvozvo akapedzisa chibvumirano chitsva pakati peNetherlands neJapan chakavakirwa pachibvumirano cheAmerica, nechirevo chokuwedzera chokuti kushandiswa kweFumi-e kunzvera Kirishitan isiri pamutemo pamutongi weNagasaki kwaizobviswa. 