Kennedy's Inaugural is considered one of the finest ever delivered by an American president. Many political historians concur that the speech delivered characteristics of realism, idealism, historical reference, and strength, all of which are vital to a successful presidency. Kennedy was clear; the United States <span>would pay any price to assure the success of liberty.</span>
The answer that i think best fits your question is c - a metaphor
Life and death, all part of an ecosystem
I cant narrow the topic much more because then it would make no sense