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Which destructive outcome reliably occurred when medieval castle walls exceeded design constraints?

A)Reinforced mortar underwent accelerated hydration
B)Internal tensile stress exceeded material strength
C)Wooden scaffolding prematurely decayed
D)Attacking trebuchets experienced catastrophic failure

💡 Explanation

Catastrophic wall collapse occurred because exceeding height limits introduced excessive tensile stress; the material (stone/mortar) could not withstand, therefore tensile failure occurred, rather than other modes influenced by environmental factors or external events.

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