Reread paragraph 5. why does the author choose to structure the paragraph this way? (pls be quick)

In this passage, the author follows a very clear structure in order to ensure that the reader is able to easily follow his argument. The author begins by introducing the main topic of the paragraph. This is the claim that bicycles are still used today in warfare. The paragraph argues that bicycles play an important role when it comes to combat operations. In order to support this main claim, the author lists several reasons why bicycles provide advantages during war that other methods cannot provide. Finally, in the last sentence, the author provides a conclusion for the paragraph.

what are the choices?