He had been outclassed, had shown his inexperience as a general. Cocksure by nature, he had failed to heed what the Vinh Yen defeat had taught about the difficulty of penetrating the delta. Neither he nor his staff yet understood adequately how to move large units or how to handle them in battle. He had sent them into action in open terrain during daylight, which made them easy targets for superior French firepower. He had failed to leave himself with reserve units and thus had no way to exploit sudden opportunities, and his withdrawals from all three operations had been chaotic and slow,
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