Kammala jumla mai zuwa: Bayan lokacin "Yakin Yaƙin", harin da Wehrmacht ya yi a Ardennes a watan Mayu 1940 ya yi nasarar raba rundunonin Sojojin Allied, kuma ya kewaye sojojin Faransa na 1 da BEF, Gort ya yanke shawarar yanke hukunci guda daya don watsi da umarnin da ya karɓa daga Gwamnatin Burtaniya don kai hari kudu don tallafawa sojojin Faransa, maimakon haka a ranar 25 ga Mayu 1940 ya ba da umarnin koma baya ta hanyar BEF zuwa arewa zuwa gabar Faransa. Bayan ya isa gabar tekun Gort ya kula da ritaya na BEF zuwa tsibirin Birtaniya, wanda ya hada da yakin Dunkirk da Dunkirk evacuation, yayin da aka ci Faransa da kuma
sun mika wuya ga sojojin Third Reich makonni hudu bayan haka.