Why bother about the Germans invading the country? Invade it yourself by Underground and motor-'bus. Easter - 1915Buy wall art of this image titled: Why bother about the Germans invading the country? Invade it yourself by Underground and motor 'bus. Easter 1915, from the World War I Posters Collection by Second Story Prints. Top quality print reproductions available now! Tags World War, 1914 1918 Social aspects Great Britain. Children playing England 1910 1920. Mass transit England London 1910 1920. Subways England London 1910 1920. Buses England London 1910