Which structural response to ground settlement was implemented in Pisa's leaning tower construction?

💡 Explanation

When the Tower of Pisa encountered ground settlement, differing course heights were implemented because unequal sinking created an angle that builders attempted to correct by adding taller stones to the sinking side, course by course. Therefore, altering course heights results, rather than mortar variation, counterweights, or tensioning, which entail distinct methods and applications.

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