Which wartime retail marketing campaign was the first to successfully use celebrity endorsements and is credited with raising over $16 billion (equivalent to about $250 billion today) for military funding?

Throughout military history, various retail and marketing innovations have emerged during wartime. From war bonds to military surplus, retail strategies have been deeply intertwined with military campaigns. This question explores a fascinating intersection of military history and retail marketing that transformed how governments engaged civilians in supporting war efforts. Test your knowledge about this pivotal moment in retail marketing history that changed how nations funded their military operations.

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World War I Liberty Bond drives featuring Charlie Chaplin and Douglas Fairbanks
Civil War 'Sanitary Fairs' endorsed by P.T. Barnum and popular stage actors
World War II War Bond campaign with Superman comic book promotions
Cold War 'Atoms for Peace' program featuring Walt Disney and television stars