You know that Mexico is a major income for the US? My prediction is total isolation of the US if they keep on going. Wonder how that'll work out.
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I think the one aspect you all forget is that this kind of behavior in business is already killing but in politics. If you screw up foreign relationships things might get much worse. So I guess the first step would be for people to stop thinking with arrogance and start seeing that also the US is dependant on others.
Wonder what will happen if the Mexican people don't want to do any kind of trades with you anymore. I'm sure Europe is happy to do trades insteadMexico is currently our 3rd largest goods trading partner with $531 billion in total (two way) goods trade during 2015.