The rhetorical device that was used by Justice Harlan in the sentence provided is;
Alliteration is the occurrence of the same or similar sounding letters in a group of closely linked words. The initial consonant sounds are stressed in the usage of this device.
In the excerpt provided, we find here, the repetition of the consonant sound, 's'. This can be found in words such as; knows, statute, question, purpose, so, persons, etc.
The repetition of the 's' sound adds rhythm and emphasis to the speech.
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Using context clues and knowing the definition of certain words
Twain is informing people aboutn how young kids are being pushed to do things they dont want to do. As in peer preasure, cleanrly this young boy should not be smoking or chewing tabacco but he tries because of the people laughing at him about not being able to chew tabacco. Mark Twain is conveying a former problem that we still have but do not acknowledge anymore. This happening will not just affect an individual, but everyone around.
Answer: I believe it means to create/cause change within someone.
Explanation: Just what I remember.