Which of these famous military recruitment/propaganda slogans resulted in the largest measurable increase in public participation during its campaign?

Throughout military history, powerful slogans have motivated troops, rallied civilian support, and become ingrained in our cultural memory. These brand-like catchphrases have shaped public perception, boosted morale, and even influenced recruitment. Test your knowledge of these iconic military marketing campaigns that transcended battlefields to become part of our collective history. Can you identify which famous wartime slogan actually achieved its intended purpose?

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"Uncle Sam Wants You" (US Army, WWI)
"Loose Lips Sink Ships" (US Office of War Information, WWII)
"Your Country Needs YOU" (British Army, WWI)
"We Can Do It!" (Rosie the Riveter campaign, WWII)