Final answer:
President Kennedy believes that the country must continue the work of progress and social change after the assassination of Martin Luther King Jr. He develops this idea by emphasizing the need for active leadership, improvement in civil rights, and the importance of public service.
Step-by-step explanation:
In his speech, President Kennedy believes that the country must make the choice to continue the work of progress and social change even after the assassination of Martin Luther King Jr. He develops this idea by emphasizing the need for active leadership, improvement in civil rights, and the importance of public service. Kennedy promises to move the country forward economically, socially, and militarily, and highlights the significance of education, housing, and economic opportunities for all Americans. Through these examples and commitments, Kennedy encourages the nation to choose a path of progress and inclusivity.