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Which risk increased when medieval pavers switched uneven surfaces?

A)Quicker collapse bridges suspension.
B)Greater rope fray points wear.
C)Heightened sag mid-span bridge.
D)Increased longship haulage friction.

💡 Explanation

A stone's irregular surface results in increased friction; it is a mechanical contact that causes a Drag exacerbation. Therefore, longships experienced slower, more difficult land transport, rather than alternative bridge risks whose scenarios are caused through gravity tension or suspension design not related to haulage.

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