2. Social impact: World War I had a profound impact on American society. The war created a sense of national unity and pride, and it also led to a greater sense of social equality. The war also saw the emergence of new social movements, such as the women's suffrage movement and the civil rights movement.
3. Political impact: World War I led to a significant increase in the power of the federal government. The war required a massive mobilization of resources, and this led to the creation of new government agencies and programs. The war also led to a greater role for the United States in international affairs.
4. Cultural impact: World War I had a profound impact on American culture. The war inspired a new generation of writers, artists, and musicians, and it also led to the development of new forms of popular culture, such as jazz and movies.
5. Legacy: World War I left a lasting legacy on the United States. The war helped to shape the country's identity, its role in the world, and its culture. The war also had a significant impact on the lives of millions of Americans, and its effects can still be felt today.