What Happened to Made in USA?

Until the 1980s, a lot of what we bought was made here from companies based here in the US.  Now?  Not so much.  Sure, we still make plenty of stuff, but there are a lot of things we used to make here, entire categories of stuff, that we just don’t anymore.  From what I understand similar situations have played out in the UK and other countries, too.  Why is that?  What happened? Watch this episode on YouTube: https://youtu.be/Y-B5mIl2Zlk