Which psychological technique was deliberately employed in the design of WWII military recruitment posters that featured pointing figures like Uncle Sam's 'I Want YOU'?

Throughout history, militaries have mastered the art of merchandising and product design to boost morale, commemorate victories, and create lasting symbols. From WWII victory bonds to modern military museum gift shops, the psychology behind military memorabilia represents a fascinating intersection of patriotism, remembrance, and consumer behavior. Test your knowledge about how military history has influenced product design and consumer psychology in this challenging trivia question!

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The 'Deictic Gaze Effect' - creating the illusion that the eyes follow viewers, establishing a personal connection regardless of viewing angle
The 'Authority Principle' - using uniformed figures to trigger automatic compliance responses
The 'Nostalgia Anchor' - incorporating traditional patriotic imagery to evoke memories of past national glory
The 'Color Psychology Technique' - using primarily red, white and blue to trigger subconscious patriotic responses