Rubuta ci gaba don wannan sakin layi - Amurka ta shiga yakin duniya na biyu bayan harin Japan a Pearl Harbor a watan Disamba na 1941. A gaban Turai, sojojin Amurka sun kasance babban ɓangare na sojojin da suka kama Arewacin Afirka da Sicily kuma daga baya suka yi yaƙi a Italiya. A ranar D, 6 ga Yuni, 1944, da kuma a cikin 'yanci na Turai na gaba
da kuma shan kashi na Nazi Jamus, miliyoyin sojojin Amurka sun taka muhimmiyar rawa. A cikin Pacific, Sojojin Sojoji sun shiga tare da Rundunar Sojan Ruwa ta Amurka a cikin "tsibirin tsibirin" wanda ya kori tsibirin Pacific daga ikon Japan. Bayan Axis sun mika wuya a watan Mayu (Jamus) da Agusta (Japan) na 1945, an tura sojojin Sojoji zuwa Japan da Jamus don mamaye ƙasashen biyu da aka ci nasara.