Propaganda has become a dirty word but it remains a much-employed tool, as this provocative show proves. Posters, films, cartoons and tweets expose the mind-boggling ways in which states from over the world have tried to exercise their powers of persuasion in the 20th and 21st centuries.
In the First World War, British propaganda was as crude as Goebbels and Stalin. Later examples include a witty Soviet poster from the 1960s, leaflets from the wars in the Middle East and a poster urging people to cough into a handkerchief, treating germs as an enemy in the same manner as posters demonising the Germans.
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