Dwight D. Eisenhower's military service significantly influenced his presidency, particularly in foreign policy and military strategy. As a prominent General during World War II, Eisenhower developed a collaborative leadership style and emphasized the importance of unity within the armed forces. His experiences taught him the value of alliance-building and strategic planning, which he later applied during the Cold War. Eisenhower's administration focused on containing communism, promoting deterrence, and utilizing diplomacy, combined with military strength. His leadership approach and emphasis on international cooperation left a lasting legacy in American foreign policy.