Dee ihe na-aga n'ihu na paragraf a - Ọtụtụ mwakpo ndị ọzọ e mere n'Ebe Ugwu Ọstrelia n'afọ 1942 na 1943 bụ obere ihe na ebumnuche ha bụ igbochi ndị otu ụgbọelu Allied nọ ebe ahụ ịwakpo ọnọdụ ndị Japan. Mwakpo a wakporo ọdụ ụgbọ mmiri Sydney na Mee 1942 nwere ebumnuche nke ịdọpụ ndị agha Allied pụọ na agwaetiti Midway tupu ndị Japan anwa ijide ya na mkpọsa ụgbọ mmiri ndị Japan na-esote n'ụsọ oké osimiri ọwụwa anyanwụ Australia na 1942 na 1943 bụ mbọ iji mebie usoro ọkọnọ dị n'etiti Australia na New Guinea n'oge Mgbasa Ozi New Guinea. Ọzọkwa, ndị Japan nwara ijide Port Moresby na New Guinea site na ịga n'ihu n'okporo ụzọ Kokoda
na ịbata na Milne Bay n'agbata July na Septemba 1942 bu n'obi ijide obodo ahụ iji mezue oghere nchebe nke Japan na mpaghara ahụ. Ozugbo e nwetara ya, a ga-eji Port Moresby mee ihe dị ka ebe ụgbọelu ndị Japan ga-esi na-achịkwa Torres Strait na Oké Osimiri Coral, ọ bụghị iji kwado mwakpo a ga-awakpo Australia.