Which innovative advertising campaign helped dramatically increase US military recruitment during World War I?

Throughout history, military recruitment has utilized sophisticated marketing techniques to attract volunteers and build public support. From ancient Rome's promises of glory and citizenship to modern multimedia campaigns, military advertising has evolved dramatically while maintaining core appeals to patriotism, adventure, and personal development. Test your knowledge about how military organizations have marketed themselves and their equipment throughout history!

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The Uncle Sam "I Want YOU" poster campaign by James Montgomery Flagg
The "Be All You Can Be" television commercials featuring soldiers in training
The "Join the Navy, See the World" newspaper advertisements featuring exotic locations
The "Army of One" individualized direct mail campaign targeting eligible young men