Is any serious person thinking that the U.S. would or wants to annex Canada. It’s absurd on its face. Trump was just trolling the PM.
President Xi: "we're going to take Hawaii and nuke Texas. JK jk. Or maybe not lol".
That's the timeline where everything turns to glass.
Were it not for the brutal disparity of power, the American ambassador would already be expelled. That's what would happen if this kind of thing were happening between any other two nations.