“Britain entered the war on 4 August 1914. The possessor of a small professional army and without a policy of conscription she had urgent need of more men – many, many more men – for training within the British Expeditionary Force (BEF).
Thus the government in London acted quickly in bringing out a stream of recruitment posters, including possibly the most famous of its type, featuring Lord Kitchener (“Your Country Wants You!”).
Other posters followed in due course, many urging wartime economy. Others simply encouraged continued support for government policy, usually by whipping up indignation against the latest alleged outrages committed (invariably) by the German Army.