Which innovative product marketing strategy in the 1960s revolutionized military history collectibles and significantly expanded the market?

The military memorabilia and collectibles market has become a significant industry, with historical artifacts and replicas generating billions in revenue annually. During the post-WWII era, one particular marketing innovation revolutionized how military history was commercialized and brought to the general public. This poll tests your knowledge about a pivotal product marketing development that changed how military history was preserved in popular culture.

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Introduction of action figures with authentic military gear and historically accurate uniforms (G.I. Joe)
Creation of the Military Book of the Month Club with exclusive battlefield maps
Launch of the History Channel's first military memorabilia catalog and retail stores
Development of licensed military video game franchises with collectible physical components