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Which sailing outcome developed slowly in Viking roundships when increased cargo lowered ballast, affecting steering?

A)Increased structural hull instability
B)Variable centerboard lift efficiency
C)Amplified weather helm instability
D)Reduced mast torsion resilience

💡 Explanation

Increased weather helm occurred due to a shift in the center of effort of the sails further aft relative to the center of lateral resistance because deeper laden hulls exposed additional topside area to weather. Asymmetry induced yawing moments; therefore, correcting this required more forceful rudder inputs, rather than increased stability.

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