Which packaging innovation, introduced in the 1810s, revolutionized food preservation and was originally developed as a military solution before transforming consumer food products?

Throughout history, packaging innovations have transformed how products reach consumers and shaped entire industries. From ancient containers to modern sustainable solutions, packaging tells the story of human ingenuity and changing consumer needs. This trivia question explores a pivotal moment in packaging history that revolutionized food preservation and distribution, changing how people shopped and consumed products forever.

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Tin cans (developed by Peter Durand for Napoleon's army)
Vacuum-sealed glass jars (invented by Nicolas Appert)
Waxed cardboard cartons (pioneered by the Kellogg Company)
Collapsible metal tubes (patented by John Rand for oil paints)