Which famous military recruitment slogan, first used in 1917, was so successful that it was revived for both World Wars and has been adapted by militaries worldwide?

Throughout military history, powerful recruitment campaigns have shaped the composition of armed forces worldwide. In the 20th century, one particular recruitment slogan became so effective that it fundamentally transformed how military service was marketed to civilians. This iconic tagline not only boosted enlistment numbers but has remained in the cultural consciousness long after its official retirement. Test your knowledge of military advertising history with this challenge about one of the most successful military marketing campaigns ever created.

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"I Want YOU for U.S. Army" (featuring Uncle Sam pointing)
"Be All You Can Be" (U.S. Army's recruitment campaign)
"The Few. The Proud. The Marines." (U.S. Marine Corps slogan)
"Your Country Needs You" (British Lord Kitchener campaign)