December 1915: A crowd of young men queuing up at the Army Recruiting Office at Southwark Hall, south London, during Lord Derby's recruitment campaign. (Photo by Topical Press Agency/Hulton Archive/Getty Images)
December 1915: A crowd of young men queuing up at the Army Recruiting Office at Southwark Hall, south London, during Lord Derby's recruitment campaign. (Photo by Topical Press Agency/Hulton Archive/Getty Images)