<prompt> Pedzisa mutsara unotevera: Mushure mekuguma kweRusso-Japanese War muna 1905 neChibvumirano chePortsmouth, hafu yekumaodzanyemba yeSakhalin yakava nzvimbo yeJapan, uye yakatumidzwa zita rekuti Karafuto, zvichikurudzira kuwanda kwevagari vemuJapan ikoko. VaJapan vakagara muhafu yokuchamhembe yeKarafuto; pashure pokunge Japan yabvuma kudzorera hafu iyi kuSoviet Union, vamwe vangave vakasarudza kuramba vari kuchamhembe kwemutsetse weSoviet wokudzora. Zvisinei, ruzhinji rwaizoramba rwuri munharaunda yeJapan kusvikira mazuva okupedzisira eHondo Yenyika II, apo Sakhalin yose yakauya pasi pesimba reSoviet sechikamu cheJapan.  <response>: Kupinda kweUSSR muManchuria; maJapan mazhinji akatiza maRed Army aifambira mberi, kana kudzokera kuJapan mushure mekutora kweSoviet, asi vamwe, kunyanya vashandi vemauto, vakaendeswa kunyika huru yeRussia ndokuvharirwa mumisasa yebasa ikoko. Uyezve, vagari vokuKorea vanenge 40 000, pasinei zvapo nokuti vakanga vachine ugari hweJapan, vakarambidzwa nehurumende yeSoviet mvumo yokupfuura nomuJapan kuti vadzokere kumisha yavo iri muhafu yokumaodzanyemba kweKorea. Vakaudzwa kuti vagamuchire ugari hweNorth Korea kana kuti vagari veSoviet. Vanozivikanwa sevaSakhalin Koreans, vakadzingirirwa pachitsuwa chacho kwamakore anenge makumi mana. 