January 11: Preparedness Should be the Watchword
American attention on World War I shifted from idle curiosity to intense interest when the United States entered the war in April, 1917. Americans enthusiastically found ways to support the boys who were “over there.” They bought War Bonds, donated to charities, and joined the Red Cross. Posters, ads, newspapers, and the movies made patriotic appeals. Hollywood stars like Mary Pickford sold bonds and appeared in patriotic movies.
Source: prairiepublic.org