France and Britain possessed many tanks in 1940, so numbers alone do not explain their difficulties. French problems included how the tanks were used and deployed, as well as the army's communications. In this assessment, the British Army was the world's only fully motorised and mechanised army at that point. It still faced the practical task of getting that system to work during the campaign.
Chapter · 7:56-8:24
French and British tank use in 1940
French deployment and communications problems, alongside British efforts to make mechanisation work, complicate any explanation based on Allied tank numbers alone.