Which outcome occurred when Incan stonework terracing exceeded frictional limits?

💡 Explanation

Terracing failures initiated catastrophic slope destabilization because exceeding the *angle of repose* reduced the friction holding the structure together; therefore, landsliding ensued rather than crop enhancement or soil retention under controlled conditions.

• Which outcome occurs when Byzantine silk production faces restrictions preventing import of crucial alum?
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• Which risk increases when seasonal flooding affects extensive pietra dura paneling such as in Mughal garden walls?
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• Which risk increases when ancient hillside terracing saturates?