According to the excerpt provided and the options written down, the most appropriate is the last one: "Both illustrate how Iqbal’s death impacted children enslaved in factories.
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Jem ages from 10-13 over the course of "To Kill A Mockingbird", which has brought a great change in any child's life. The changes he had went through has been seen from the point-of-view of his younger sister. He has represented an idea of bravery in the novel. In the beginning of the novel, Jem thinks bravery is touching the side of the Radley house because he has never declined a dare. But as the story progresses; Jem has learned more about bravery from Atticus facing the mad dog, to Scout's confrontation towards the mod at the jail. He grew overall from a boy who drags his sister along to a young gentlemen that protects Scout and tries to help her understand all the events that are surrounding her.
He needed it to return to the normal why? because, before world war, Harding’s was United States presidential candidate. Harding’s promise was to return the United States’ prewar mentality, without the thought of war tainting the minds of the American people.