In the excerpt president Kennedy emphasizes his point most by using?

In the excerpt, President Kennedy emphasizes his point most by using rhetorical devices such as anaphora, repetition, and parallel structure. These techniques amplify his message and create a sense of urgency and unity. By repeating key phrases, he reinforces his call to action and inspires collective responsibility among his audience. This strategic use of language enhances the emotional impact of his speech, making it more memorable and compelling.