Answer:
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Reflecting on the past effects scrooges character by showing him what he could have had, but instead he chose money letting him realize that though he may be rich and successful there's more to life then money he learns he needs to live his life tp the fullest which changes him from being a greedy old man to a generous old man.
One method is that they are perceived as relatable. teens tend to be influenced by them because they see them as someone closer to them (age group, interests…)
