Haig was to underestimate the strength of the enemy force . He allowed British soldiers to move under the cover of heavy artillery bombing . As the artillery bombing failed to destroy the German bunkers and barbed wire fence , British Force suffered heavy casualties . That earned Haig the nickname of "Butcher . Haig did not realize that he had to face the artillery and machine guns from German troops . His over-confidence of his ability had resulted in heavy loss for the British Force...











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