That’s a very slippery slope. I am sure there are parts of Latvia that would happily join Russia. Or parts of US that would like to cede from the union. This is all but easy.

In EU from 2027 as per law (removable, not necessarily thick)

This just proves that US tariff policies are unstable.

Why would any company move production to US based on tariff then? Imagine spending money to move a factory from China to America, and the next month tariffs flip flop and your competitor laughs at you all the way to the back counting earnings from their Chinese imports.