Final answer:
The Stamp Act protests represented a turning point in the movement for independence as they impacted people from all social classes, elicited a popular backlash, and made the legislation largely unenforceable in port cities.
Step-by-step explanation:
The correct answer is (d) All the above. The Stamp Act protests represented a turning point in the movement for independence because they impacted people from all social classes and elicited a popular backlash. Additionally, colonial assemblies for the first time passed resolutions condemning the legislation in strong language. Moreover, popular protests in port cities made the Stamp Act largely unenforceable.
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