Final answer:
Kennedy's inauguration is best remembered for his elegant and inspiring rhetoric, specifically his iconic challenge to Americans to contribute to their country and his vision of the New Frontier.
Step-by-step explanation:
The inauguration of John F. Kennedy is best remembered for his elegant and inspiring rhetoric. On January 20th, 1961, Kennedy delivered an inaugural address that was not only memorable for its poise and optimism but also for its challenge to the American public. His statement, "Ask not what your country can do for you; ask what you can do for your country," encapsulated the youthful energy and ambition of his administration.
Kennedy's call to service and the spirit of the New Frontier were key themes of his presidency, inspiring many Americans to seek ways to contribute to the nation and to the greater global community. The address set the tone for a presidency marked by vigor, style, and a commitment to societal and global challenges.