Final answer:
The Committee on Public Information used art, specifically posters, to rally Americans' support for the war during World War I.
Step-by-step explanation:
The Committee on Public Information (CPI) used art as a powerful tool to gain Americans' support for the war during World War I. They employed various forms of art, such as posters, to convey patriotic messages, stir up emotions, and promote pro-war sentiments. These artworks depicted heroic soldiers, the American flag, and powerful slogans, all aimed at instilling a sense of duty and nationalism in the viewers. By using visually compelling and persuasive artwork, the CPI effectively connected with the American public and generated widespread support for the war effort.
Learn more about Committee on Public Information's use of art to gain support for the war