<prompt> Pedzisa mutsara unotevera: Japan  <response>: yakapinda muSakhalin mumatanho ekupedzisira ehondo yeRussia neJapan ya1904-1905, asi maererano neChibvumirano chePortsmouth cha1905 chakabvumidzwa kuchengetedza chikamu chekumaodzanyemba kwechitsuwa ichi pazasi pe50 N parallel. Russia yakachengeta rutivi rwokuchamhembe, kunyange zvazvo vaJapan vakapiwa maruramiro okushambadzira akanaka, kubatanidza kodzero dzokuredza uye dzokubudisa mineral kuchamhembe. Muna 1907, Karafuto Prefecture yakagadzwa zviri pamutemo, neguta guru riri pa Ōtomari. Muna 1908, guta guru rakatamisirwa kuToyohara. 