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← HistoryDuring siege warfare, which outcome increased when bronze siege towers exceeded certain heights?
A)Internal structural shear failure rates✓
B)Arrow penetration of hardened plating
C)Molten bronze casting effectiveness declined
D)Tower portability across varied terrain
💡 Explanation
Increased tower height induced greater stress on bronze joints; the sliding failure arose on hinge/dowel locations under extreme load because bronze has a relatively low shear resistance compared to steel, therefore shearing internal structural elements caused tower collapses, rather than arrow effectiveness or metallurgy changes.
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