20 Iconic British World War II Propaganda Posters
9. "Are You With Us In National Service?" (1940-1943)
![An original 1939 Ministry of Information 'Keep Calm and Carry On' poster, left, is seen on display at Christie's auction house in London, Thursday, Aug. 30, 2012. The poster is to be auctioned in 'The London Sale' on Sept. 3 as is expected to realise a pr](https://d2thvodm3xyo6j.cloudfront.net/media/2015/04/Are_You_with_Us_in_National_Service-_Art.IWMPST13964-600x338.jpg)
During the Great War and World War II it was necessary for the British government to get the whole population of the nation to contribute in some way, and a series of "Are you with us in national service?" posters aimed to encourage people from all walks of life and vocations to help the country.