Despite greater numbers of air and army personnel - and the presence of the British Expeditionary Force - the Low Countries and France proved no match for the Wehrmacht and the Luftwaffe.
Germany's combination of fast armoured tanks on land, and superiority in the air, made a unified attacking force that was both innovative and effective. Despite greater numbers of air and army personnel - and the presence of the British Expeditionary Force - the Low Countries and France proved no match for the Wehrmacht and the Luftwaffe. Holland and Belgium fell by the end of May; Paris was taken two weeks later.