An optio was a key role in the Roman military, serving as the second-in-command to a centurion within a century. This position was crucial for maintaining discipline and organization among the soldiers, as optiones were responsible for assisting centurions in leading troops during battle and ensuring that orders were carried out efficiently. The optio was often chosen based on merit, demonstrating leadership potential and experience, and played a vital part in the hierarchical structure of the Roman army.
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