Well, the militaries of both Canada and the EU (and probably others) have been said to be preparing for whatever it would mean to be attacked by the US. If you

Well, the militaries of both Canada and the EU (and probably others) have been said to be preparing for whatever it would mean to be attacked by the US. If you tell your neighbour "I will soon come to your house and kill you", and your neighbour buys a gun to defend themselves specifically against you, doesn't it count as "action"? By the way, if you threaten the physical integrity of someone with "just words" and they go to the police, I don't think it counts for "nothing".