Step into any modern hypermarket, and the shelves present a reality that would have been mathematically, physically, and economically impossible just seven decades ago. Chilean grapes sit perfectly chilled beside European cheeses, Japanese consumer electronics, and fast-fashion apparel woven in Bangladesh.

This cornucopia of global goods is available to the average consumer for a fraction of its historical cost. We instinctively credit this reality to abstract concepts: the triumph of "globalization," the implementation of multilateral free trade agreements, or the rapid advancement of digital algorithms. Yet, the true architect of this deeply interconnected world is far more tangible, intensely industrial, and remarkably mundane.

The invisible plumbing of the modern global economy is a simple, corrugated steel box. This investigat ...