In Kennedy’s "Ich bin ein Berliner" speech, he makes use of several modes of persuasion.
Modes of persuasion are the strategies used by a speaker to make his speech more convincing and to reach his/her audience. The three main modes of persuasion are logos, ethos, and pathos. Logos is the appeal to reason and logical reasoning supported by facts or statistics. Ethos is the appeal to authority, shared values and trust, where the speaker attempts to appear trustworthy by referring to common values, own qualifications or the authority of others. Pathos is the appeal to emotions, where the speaker tries to stir the audience’s feelings.
Kennedy uses logos when he tries to convince his audience of the importance of condemning the Communist system. Note that he generally does not attack the details of Communist ideology, but suggests that it is not progressive, is not easy to work with, does not re...