Female American college students at a farm, where they are working as replacements for men called up to the military in World War I, USA, May 1918. (Photo by Topical Press Agency/Hulton Archive/Getty Images)
Female American college students at a farm, where they are working as replacements for men called up to the military in World War I, USA, May 1918. (Photo by Topical Press Agency/Hulton Archive/Getty Images)