 Ramba uchinyora ndima iyi - Pashure pokuva nesimba mukuvamba kwezana ramakore rechi 17, Tokugawa shogunate yakanga yachengeta Japan iri mumugariro wokuparadzaniswa sakoku kwenhambo yamakore anopfuura 250. Uku kuzviparadzanisa kwakagumiswa muma1850 nokusvika kwemauto eAmerica neBritain ayo aida kuti zviteshi zveJapan zvizarurirwe kutengeserana. Pashure pokuramba kwokutanga, Chibvumirano choUshamwari neZvokutengeseranachibvumirano chakasainwa pakati peUnited States muna July 1858 uye Hyogo Port yakavhurwa kutengeserana kweAmerica musi wa 1 January 1860. 