In what ways does Charles Dickens use a ghost story to encourage people to be more humanitarian?

In what ways does Charles Dickens use a ghost story to encourage people to be more humanitarian?
This essay is discussing how Charles Dickens encourages people to be more humanitarian by using a ghost story. He does this by showing how being humanitarian can improve your life and others, what the consequences of greed are, using peoples fears to change them and showing people what they are missing if they carry on the way they are.
He uses each of the three spirits to portray a different message. These messages tell Scrooge the consequences of his greed and they show him ways in which he can become more humanitarian. This may encourage the reader to be more humanitarian too because they can learn from Scrooge’s mistakes. When they see that Scrooge is taking in these important lessons, the reader will do the same because it will prevent them from going through what Scrooge is going through. The first spirit started off showing him his old neighbourhood. He had fond memories of it be...