<span>an attempt to explain an origin</span>
Sentence number 9; Sadly, even after that water is found only some of ITS clean and safe enough to drink.
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.
a i would say because its like the point of the story