Which famous military recruitment advertising campaign resulted in a 300% increase in website visits and became one of the longest-running slogans in advertising history?

Throughout military history, effective recruitment campaigns have been crucial to maintaining force strength. Different nations have employed various advertising strategies that have become iconic in their own right, often reflecting the values and concerns of their time. This trivia question explores one of the most successful military recruitment campaigns in history and its remarkable impact on enlistment numbers and cultural awareness.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

U.S. Army's "Be All You Can Be" (1980-2001)
British Army's "Your Country Needs You" (WWI)
U.S. Marines' "The Few. The Proud." (1977-present)
Australian Defence Force's "The Edge" (1990s)