It is sometimes argued that in mid-September 1939, with the bulk of the German army committed in Poland, the Allies had an ideal opportunity to launch an offensive on the Western Front. But France was even less prepared psychologically than militarily for such an initiative; and Britain’s small expeditionary force, still in transit to the Continent, could contribute little. The Germans could probably have repelled any assault without much disrupting their operations in the east, and the inertia of the French and British governments reflected the will of their peoples.
