The effect this has is that it makes them wonder of the significance that this handcar may play in the future of the story. This will cause the reader to consider ways the handcar may relate to past elements in the story. Furthermore, the author setting apart the term caused the reader to become aware that the handcar is apart from the other objects and will play a greater role in the story.
The statement that shares a theme with the Gettysbrug Address would be letter D. "We will research the goal of freedom in Birmingham and all over the nation because the goal of america is freedome". I hope you are satisfied with my answer and feel free to ask for more