Multiple Choice, Single Answer
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The standardization of the shipping container in the mid-twentieth century is frequently credited to a single American trucking entrepreneur, but the underlying idea had circulated among engineers for decades without gaining traction. What changed was not the concept but the coordination problem: ports, railways, and ship operators had to agree simultaneously on dimensions, corner fittings, and lifting mechanisms, or the system would fail at any single incompatible link. Once international standards bodies mediated this agreement in the 1960s, adoption accelerated rapidly, and loading times at major ports fell from days to hours. The lesson historians draw is that the container's success depended less on invention than on resolving a coordination failure across many independent actors.