John F. Kennedy believed that an important responsibility for all Americans was to actively contribute to the defense and promotion of freedom. He emphasized the need for unity and cooperation among allies in order to face powerful challenges together. Unlike his predecessors, Kennedy focused on a more proactive and collaborative approach to international relations, stating that Americans should not just rely on their country, but also think about what they could do to serve it and make the world a better place. This is evident from his famous quote: "ask not what your country can do for you — ask what you can do for your country." Kennedy's policy goals marked a shift towards a more inclusive and collective approach to achieving national and global goals.

Kennedy also believed in the importance of diplomatic efforts and peaceful resolutions to conflicts, as evidenced by his handling of the Cuban Missile Crisis. He was willing to negotiate with the Soviet Union in order to avoid a potentially catastrophic nuclear war, showing his commitment to diplomacy and dialogue as tools for resolving disputes.

Furthermore, Kennedy was a staunch supporter of civil rights and equality, advocating for desegregation and equal rights for all Americans. He spoke out against discrimination and injustice, and took steps to promote equality and social justice within the United States.

Overall, John F. Kennedy's approach to leadership was characterized by a strong belief in the power of unity, cooperation, and collective action. He emphasized the importance of active engagement and contributions from all Americans in order to achieve common goals and uphold the values of freedom, democracy, and equality. Kennedy's legacy as a leader who prioritized diplomacy, unity, and equality continues to inspire and guide people around the world to work towards a better future for all.