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← HistoryWhen crossing fjords with infantry companies using rope bridges, which risk greatly escalated during Viking invasions?
A)Dynamic load exceeding rope strength✓
B)Anchorage slippage on unstable rock
C)Progress was impeded by wind
D)Inaccurate knot tying degraded faster
💡 Explanation
A faster advance increases dynamic load, because more soldiers pack the rope bridge; therefore this increases structural stress and failure risk rather than wind or knot issues since impact force matters far more here.
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