Again the distinction needs to be made between political borders, required for national sovereignty, and open economic competition across borders in the marketplace FREE from government interference.
Tariffs and protection do nothing to address the flight of enterprise from America.
The BEST of all worlds, what America used to be, especially in the 1800’s, is small government, national sovereignty, and a market economy basically free from government interference.
https://www.youtube.com/watch?v=BlkQRGZEycI
Get rid of big government first and foremost.