Which risk increases when early medieval fortifications employ weaker motte-and-bailey wall construction?

💡 Explanation

Defenders faced increased sapping risk because the Erosion processes of digging underground could destabilize the wooden walls of a motte-and-bailey, therefore leading to collapse of fortification rather than direct assault. Projectile trajectories are unaffected.

• Which consequence resulted from the enhanced sealing of early cast iron bombards used with Chinese gunpowder?
• Which effect limited image resolution in early Islamic-era concave mirrors used for burning during sieges?
• Which outcome resulted when seasonal flooding affected the hydraulic gradient established in Aztec chinampa systems?
• Which outcome typically occurred during prolonged sieges when Byzantine diplomats offered 'protection'?
• Which microstructural consequence occurred in early Bronze Age metallurgy from repeated hot forging?
• Which outcome occurs when calibrating a medieval Islamic astrolabe using Polaris near the celestial pole?