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==Reasons for the British failure at Cambrai==

The are many reasons for the British failure at Cambrai. The attack was well planned but the planners failed to anticipate several key things. First, the failed to appreciate that once the tanks had been able to punch through the German Hindenburg Lines that there needed to be promptly reinforced. Any territory that was captured had to be quickly reinforced. The British were simply too slow to take advantage of the opportunity provided by the tanks. Then the planner failed to anticipate that the area would become very congested with tanks, horses, and men. This caused a massive tailback and this impeded the British as they advance towards Cambrai. The British General Staff also failed to appreciate the difficulty of coordinating a cavalry charge with tanks. The British also did not use their tanks effectively after they had broken through the Hindenburg Lines, despite the terrain being very suitable for tank warfare.<ref> Keegan, p. 378</ref>