I'd, after some consideration, probably lend some support to what I imagine would be the inevitable movements petitioning the government of my country (Canada) to impose diplomatic sanctions against the U.S. These movements likely being whole political parties. I doubt the Conservatives'd go for it though, they do love their trade.
What I'd consider before doing this would be, given the insane change in U.S., whether that in anyway increased the likelihood of military action against Canada - frankly, in terms of likelihood, I'd count invading Canada at about the same level as disenfranchising women - at which point I'd probably consider migrating elsewhere.