Kammala jumla mai zuwa: Jafananci sun mamaye arewacin Luzon 'yan kwanaki bayan harin da aka kai wa Pearl Harbor a ranar 7 ga Disamba 1941 wanda ya kawo Amurka cikin yakin. Sun ci gaba da sauri, tare da sauran saukowa a wasu wurare, musamman a Legazpi a kudu maso gabashin Luzon a ranar 12 ga Disamba, Davao a Mindanao a ranar 20 ga Disamba, da Lingayen Gulf a ranar 22 ga Disamba. A ranar 26 ga Disamba, 1941 aka ayyana Manila a matsayin birni mai budewa, tare da gwamnatin Philippines da kuma hedkwatar MacArthur da aka kwashe zuwa Ramin Malinta. A tsakiyar kwashewar, an gudanar da bikin sake buɗewa don wa'adin shugaban ƙasar Philippines Manuel Quezon na biyu a waje da ramin a ranar 30 ga Disamba. Jafananci sun shiga Manila a ranar 2 ga Janairu, 1942. Kwana biyar bayan haka sojojin Amurka da Philippines sun kammala yakin da suka yi a yankin Bataan, arewa maso yammacin Corregidor, kuma sun shirya don kare shi. A arewacin Philippines, wannan ya bar Bataan, Corregidor, da Fort Hughes, Frank, da Drum a hannun Allies. An yi tsammanin wannan yanayin a cikin shirin War War na Orange-3 kafin yakin, wanda a karkashinsa ake sa ran dakarun da ke cikin Philippines za su tsaya a bakin bakin Manila Bay har tsawon watanni shida. A wannan lokacin an yi tsammanin cewa za a iya kawo kayan agaji daga Amirka. Janar MacArthur ya yi fatan kare Philippines da karfi a karkashin Tsarin Rainbow, kuma ya sami damar samun wasu ƙarfafawa a cikin watanni kafin Amurka ta shiga yakin, amma wannan ya fadi tare da saurin ci gaban Japan a watan Disamba na 1941. Kuma, tare da kusan dukkanin jiragen ruwa na Pacific Fleet sun lalace a Pearl Harbor, kuma Jafananci suna ci gaba a sassa da dama na kudu maso gabashin Asiya a cikin mafi girma fiye da yadda aka sa ran, ba a shirya ba. Kodayake 'yan Philippines sun gudanar da manyan ayyukan' yan tawaye tare da goyon bayan Amurka, sojojin Amurka ba su dawo cikin Philippines ba har sai da...
mamayewa na Leyte Gulf a watan Oktoba 1944.