why it's a good idea to import so many valued goods from overseas, when instead, they could be produced in South America, and sent North on trains? Or maybe even right here in our own country.
Here is a Forbes article, about this >
7 Products That Are Harder To Find Right Now, And What That Means For Your Money – Forbes Advisor
It seems there is no one problem causing shortages. And each shortage can have different causes.
You can have a product which depends on parts from different countries. All you need for a shortage, then, is to have one country failing to make enough of one part.
If you use trains, you need qualified workers, including security people for the trains and the tracks. And landslides and weather items can effect if trains can pass through the various terrains of South America, Central America, and Mexico. Plus, ones are going to be concerned about how many illegals will try to use the trains, which would be in quite large numbers needing enough security people to check them. And you have to pay for all that.
I suppose one ship can move a lot of stuff, for a lot less expense of workers and security and fuel.
Have you seen the different sorts of environment trains would pass through? And there would be the issue of how fuel exhaust could effect the areas near the tracks . . . both wildlife and farming zones.
You might need to build more track routes, and this would dig up a lot of natural environment. And one derailment could hold up a lot of stuff. But if one ship gets in a problem, the others can just sail right around a ship with a problem.
You can look at one of those container ships. One stretch of containers from one end of the ship to the other would need at least on locomotive, maybe. So, how many locomotives would be needed to replace one ship? I think a ship is much more efficient.
Plus, if . . . when . . . trains derail, cars can fall down steep slopes > they would need to have special equipment to rescue and salvage. And moving such equipment to winding rails on steep slopes could effect other trains getting through. It might be more efficient to abandon fallen cars in certain areas . . . not what they do with containers on those ships. People could make quite an illegal living, by derailing trains where the stuff will be abandoned in the ravines even thousands of feet below the broken tracks.
But I'm guessing