Trump would love this; he'd sic ICE on them and call them terrorists.
"Canada INVADED us to try and shut down our country in collaboration with ANTIFA! They're nasty and OUT OF CONTROL! Governor Carney isn't doing anything about it so we might have to step in to get things under control again..."
They'd all get moved around the US to limit the effectiveness of protesting at any one facility and then they'd deport most of them to some other country just to be dog cunts about it.