A new Federal Commission on Training Camp Activities was created shortly after the outset of American involvement in World War I, in hopes of preventing sin and vice among soldiers such as excessive drinking and prostitution. Among the attempted solutions: all soldiers were required to participate in sports and physical exercises, and soldiers were paired with homes and families that they could visit when on leave in the city.
No word on whether prostitution was completely banished.
Making Vice Unattractive in Soldiers’ Camps: Federal Commission Just Appointed to Solve Vital Problem of Healthful Recreation for Young Men of Our New Armies
From Sunday, May 20, 1917