I'm not trying to be demeaning, this isn't a rhetorical question. Seriously, what sort of logistical miracle would it take for this? America is fucking huge and that would take organization and I have no ideas.
I'm beyond hope for peaceful OR violent change. The only future I'm seeing is collapse and the subsequent corporate cyberpunk nightmare that will devour what remains.
People the world over have been showing that a huge military budget can be fought with guerilla tactics for decades. Canada absolutely can resist the US.