Actually you are dead wrong. The U.S. border started tightening up about 18 years ago, before that we used to cross a lot and very seldom had to even show I.D. It had absolutely nothing to do with Trump!
It was never going to happen.
The theory that tax cuts would result in economic growth was proven false.
The central theory of republican economics was simply wrong
I've always had more trouble with the Canadian guards coming back than the american guards going into the U. S.
Not real trouble but a lot of questions...