Which of these common household products was originally developed specifically for military use during WWII, but was later marketed to civilians through innovative retail packaging and branding?

Many everyday products we use originated from military innovations. This poll tests your knowledge of how wartime necessities transformed into civilian products and shaped retail history. These military-to-mainstream transformations represent some of the most significant product development stories in retail history, changing brand strategies and shopping habits worldwide.

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

Duct tape (developed for waterproofing ammunition cases and quick field repairs)
Liquid dish soap (developed as a degreasing agent for military equipment)
Tupperware containers (developed for preserving field rations)
Ballpoint pens (developed for pilots to write at high altitudes)