The shipping container has changed the world The container has changed the world, but not only for the good.
Cranes -- needed to load and unload containers -- substituted men with machines.
First, sealed containers reduced the amount of theft by dockworkers and, with that, insurance rates went down.
Second, cranes powered by electricity or oil for swift loading and unloading replaced dockworkers, which meant strike-related delays became less frequent.
The question of how to save time when loading and unloading goods became a more important consideration than it was when planes could not be relied on as much.
There were other benefits, too What other implications did the container bring with it?
In fact, containers took another 20 years to become standardised.