SUPERNATURAL INTERVENTION
The Ghost of Christmas Past is described as having shown Scrooge memories that led to his emotional softening and reflection on his life, acting as a supernatural agent of change.
GHOST OF CHRISTMAS PAST
he had been reminded by the Ghost of Christmas Past. When this strain of music sounded, all the things that Ghost had shown him came upon his mind; he softened more and more; and thought that if he could have listened to it often, years ago, he might have cultivated the kindnesses of life for his own happiness with his own hands, without resorting to the sexton's spade that buried Jacob Marley.