What effect does MacArthur’s use of repetition produce in the speech? A MacArthur repeats the phrase “Duty, Honor, Country” throughout the speech to emphasize to the cadets what their goals and priorities should be. B MacArthur repeats the phrase “Duty, Honor, Country” to establish a beat in his speech that reassures his cadet audience with its rhythm. C MacArthur repeatedly reminds the cadets to stay out of civilian discussions and issues because otherwise it will make it more difficult for them to serve. D MacArthur repeats “The Corps” at the end of his speech to rally the cadets and to reassure his audience that he supports them.