 Nyora kupfuurira kweiyi ndima - Madang akabatwa nemaJapan mukutanga kwaKurume 1942, pamwe chete neLae neSalamaua sechikamu chemabasa ekuvaka hwaro hwakakosha paRabaul. Mushure meizvi, maJapan vakashanda kuvandudza nzira dzakasiyana siyana dzekutaurirana dzakatenderedza nzvimbo iyi kusanganisira migwagwa, zvivakwa zvengarava nenhandare dzendege kuti vashandise chiteshi cheMadang chemvura yakadzika sechikamu chechiteshi chemberi, chakagadzwa kutenderedza Madang neAlexishafen, kuchamhembe, kutsigira mauto munzvimbo yeSalamauaLae. Muna 19431944, mauto eAustralia neeU.S. akatanga mabasa okurwisa muNew Guinea, pashure pokunge amisa kufambira mberi kweJapan munguva yehondo muna 1942. Muna September 1943, vaAllies vakanga vawana Lae naNadzab. Nokukurumidza pashure pacho, 9th Division yakanga yasvika paHuon Peninsulauye vakanga vawana Finschhafen uye vakatanga kuchenesa mukati. Pakazosvika Gumiguru 1943, chinangwa chinotevera chevaAustralia chaiva Shaggy Ridge, nzvimbo dzakakwirira dziri munzira yomunyika kubva kuDumpu kuenda kuMadang, dzaichengetwa nemauto echiJapan, achitsigirwa nevakuru vezvombo uye mainjiniya. 