Which defensive advantage resulted from the Roman army's widespread adoption of the pilum?

💡 Explanation

The pilum's designed head caused them to bend upon impact because of plastic deformation. This impaired a fallen enemy's ability to reuse their shield effectively. Therefore, the pilum increased close-quarters combat effectiveness, rather than enhancing archer or siege capabilities.

• When brass astrolabes experience corrosion in humid conditions, which measurement error increases?
• Which risk increases on an 18th-century wooden ship pushing too aggressively southward into the Southern Ocean's high latitudes?
• Which benefit arises when pre-Columbian Andean terraced fields manage water flow downhill during heavy rains?
• Which structural innovation within 18th-century ship construction most directly enabled sustained transatlantic voyages carrying heavy cargo?
• Which primary risk increased in early steam engines due to the use of cast iron boilers?
• Which outcome increases when ancient ship sails experienced hygrothermal loading?