Rubuta ci gaba don wannan sakin layi - Amurka ta shiga Yaƙin Duniya na II a watan Disamba 1941 bayan harin Japan a Pearl Harbor. Kimanin Amurkawa miliyan 11 za su yi aiki a cikin ayyukan soja daban-daban. A bangaren Turai, sojojin Amurka sun kasance babban bangare na dakarun da suka sauka a Arewacin Afirka na Faransa kuma suka dauki Tunisia sannan suka matsa zuwa Sicily
kuma daga baya ya yi yaƙi a Italiya. A cikin watan Yunin 1944 da aka sauka a arewacin Faransa da kuma a cikin nasara da nasara na Nazi Jamus, miliyoyin sojojin Amurka sun taka muhimmiyar rawa.