Military leaders learned early on to form their soldiers into tight, cohesive ranks. Trusting his fellows on either side of him not to retreat and leave him exposed, a soldier could fight the man in front of him with more spirit and confidence. The Romans extended this strategy by placing the youngest, most impetuous fighters in the front ranks, the most experienced and best fighters in the rear, and everyone else in the center. This meant that the weakest soldiers—the ones most prone to panic—were surrounded by those who were braver and steadier, giving them a powerful sense of security. No
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