Kammala jumla mai zuwa: Kodayake Ludendorff bai tabbata ba ko Amurkawa za su shiga yakin da karfi, a taron shugabannin hafsoshin sojojin Jamus a Yammacin Yammacin ranar 11 ga Nuwamba, 1917, ya yanke shawarar kaddamar da wani hari. Gwamnatin Jamus da Field Marshal Paul von Hindenburg, wanda ake kira Shugaban Janar Janar, ba su kasance cikin tsarin tsarawa ba. Daga karshe an yanke shawarar kaddamar da
Operation Michael a kusa da Saint-Quentin, a cikin hinge tsakanin sojojin Faransa da na Burtaniya, da kuma kai hari arewa zuwa Arras. Babban dalilin da aka zaba shi ne dabarun da ya dace. Ƙasa a wannan ɓangaren gaba zai bushe da sauri bayan hunturu da ruwan sama na bazara kuma zai zama sauƙi a ci gaba. Har ila yau, wani layi ne na ƙananan juriya kamar yadda sojojin Birtaniya da Faransanci suka raunana a cikin sashen.