You'll find it among the rhetorical figures listed and explained at this site: http://www.uky.edu/AS/Classics/rhetoric.html
Kennedy is using the rhetorical strategy of parallelism in the excerpt provided. This is evident in the repetition of the phrase "not because... but because." The parallel structure emphasizes the contrasting ideas being presented and helps to strengthen the argument.
Logos
Rhetorical question
It's important to provide the sentence in order to determine the rhetorical device being used.
Anecdote Humor Imagery
To answer a rhetorical question effectively, you should consider the intended message or point being made by the question and respond in a way that reinforces or challenges that message. This can involve providing a thoughtful reflection, offering a counterpoint, or simply acknowledging the rhetorical nature of the question.
Ethos is the rhetorical appeal defined as an appeal to credibility and authority. It focuses on establishing the speaker's expertise and trustworthiness on the subject being discussed.
Ethos appeal refers to a rhetorical strategy that appeals to the credibility, authority, or ethical character of the speaker or writer. It aims to build trust and credibility with the audience by showcasing the speaker's expertise, honesty, and integrity. This can help persuade the audience to believe in the message being communicated.
Often, Rhetorical questions are used as a challenge, witht he implication being they are dificult or impossible to answer. Such negative assertions may function as positives in sarcastic contexts. E.g. the sarcastic "Who Knew?"
A reasonable interpretation by a rhetorical critic should be supported by evidence from the text or artifact being analyzed, demonstrate an understanding of relevant rhetorical theories and concepts, and offer insights that deepen our understanding of the communication strategies employed. Additionally, the interpretation should be logically sound and contribute to a broader conversation within the field of rhetorical studies.
being international means going beyond the boundaries of your own country but with the same strategy or method being used in national market. example of Inc. is IBM, NOKIA, TOTAL
To identify the rhetorical device being used, I would need the specific text or example you are referring to. Common rhetorical devices include metaphors, similes, alliteration, hyperbole, and ethos/pathos/logos appeals. Please provide the text for a more accurate analysis.