which war advertisement uses the beautiful people propaganda technique to convince people to join the army?
The Posters That Sold World War I to the American Public. A vehemently isolationist nation needed enticement to join the European war effort. These advertisements were part of the campaign to do just that. On July 28, 1914, World War I officially began when Austria-Hungary declared war on Serbia. In Europe and beyond, country after country was drawn into the war by a web of alliances.