Which war did Eisenhower serve in before becoming President?

The correct answer is World War II. Dwight D. Eisenhower served as a general in the United States Army during World War II, where he played a critical role as the Supreme Commander of the Allied Expeditionary Forces in Europe. His leadership was pivotal in planning and executing major military operations, including the D-Day invasion of Normandy, which was instrumental in the liberation of Western Europe from Nazi occupation.

While he did serve in World War I, his significant military prominence and leadership that contributed to his later presidency were primarily shaped by his experiences and accomplishments during World War II. After the war, Eisenhower's reputation as a skilled military leader helped pave the way for his political career, ultimately leading him to the presidency. This context is crucial in understanding the impact that World War II had on his life and legacy.