Which factor most directly increased the killing power of first crossbows using small cast bronze trigger mechanisms during the Warring States period?

💡 Explanation

Metallurgical processes allowed bronze to be cast with greater precision and tensile strength during the Warring States period; because improved control influenced metallurgy, the complex multiple-part lock mechanism could consistently withstand greater loads. Therefore, it allowed for greater draw weight and projectile force, rather than bowstring or arrow properties.

• Which bridge failure mode increases when poorly seasoned timber supports a medieval trestle bridge at freezing temperatures?
• Which risk increases when bronze casting molds in ancient Mesopotamia are cooled too rapidly?
• Which outcome commonly reduced nutrient availability within the central raised beds of Aztec chinampas?
• Which outcome occurs during early Chinese water management when cast iron components experience accelerated wear?
• Which risk increases when seasonal ground freeze impacts water delivery beneath Mughal gardens embedding 'pietra dura'?
• Which consequence results when bronze cools too slowly after casting processes?