Pedzisa mutsara unotevera: The American Expeditionary Forces (A.E.F. kana kuti AEF) yaiva sangano reUnited States Army kuWestern Front yeHondo Yenyika I. AEF yakatangwa musi waJuly 5, 1917, muFrance pasi pokutungamirirwa kwaGeneral John J. Pershing. Rakarwa pamwe chete neuto reFrance, British Army, Canadian Army, uye Australian Army units kurwisa Imperial German Army. Chikamu chiduku chemauto eAEF chakarwawo pamwe chete nemauto eItaly mugore iroro kurwisana neuto reAustria-Hungary. AEF yakabatsira Mauto eFrance kuWestern Front munguva ye
Aisne Offensive (paHondo yeChâteau-Thierry uye Hondo yeBelleau Wood) muzhizha ra1918, uye vakarwa zviito zvavo zvikuru muHondo yeSaint-Mihiel uye Meuse-Argonne Offensive muchikamu chekupedzisira cha1918.