WORLD HISTORY

Detailed explanation-1: -This and subsequent modern wars required propaganda to mobilise hatred against the enemy; to convince the population of the justness of the cause; to enlist the active support and cooperation of neutral countries; and to strengthen the support of allies.

Detailed explanation-2: -dates back to ancient times, its first widespread modern use occurred during World War I. The warring powers used propaganda to motivate their own populations and to weaken their enemies’ will to fight.

Detailed explanation-3: -During wartime, large-format, full-color posters plastered walls from city streets to classrooms. They mobilized support for the war effort, summoned donations to charities, encouraged participation in war bonds, and publicized victories in notable battles to a broad public.

Detailed explanation-4: -I Want You for US Army This American poster is widely regarded as the most famous poster in the world, although it was inspired by a British poster bearing a similar slogan.