<prompt> Pedzisa mutsara unotevera: Muna April 1945 Boka rechi15 rakatora nzvimbo yeBoka rechi7 ndokutangazve kufambira mberi parwizi rwaHongorai norwizi rwaMivo. Mukutanga kwaJuly, 29th Brigade yakasunungura 15th ndokupfuurira mberi uye sezvavakaedza kuyambuka Mivo, vaJapan vakatanga kurwisa kwakasimba paBataloni yechi 15 iyo yakadzoserwa nekudzivirira kwakashata. Pashure paikoku kufambira mberi kwakamira sezvo mvura zhinji yakashandura mugumo wokufambira mberi kuva gungwa rematope uye mazhinji amabhiriji ayo gadziriro yezvokushandisa yeAustralia yaitsamira paari akagezwa. Sezvo mugariro wacho wakaipa zvikuru, kwenguva pfupi kunyange mabasa okuperekedza aifanira kumiswa. Zvisinei, mapurisa aya akadzorerwa mukupera kwaJuly uye munaAugust, sezvo maJapan akaparadzaniswa akatanga kurwisa mitsara yekugovera ye3rd Division uye zvikamu zvekutsigira. Sezvo gadziriro dzaiitwa dzokutangazve kufambira mberi, kudonhedzwa kwamabhomba maviri eatomu paHiroshima neNagasaki uye kutevera kweJapan  <response>: Kuzviisa pasi pasina miganhu kwakagumisa kurwisana kwaiitwa paBougainville uye rugare rwokuzorora rwakashanda. 