The conditions for World War III appeared to have been met by reckless Russian aggression for a period on Tuesday night. A missile struck a farm at Przewodów, in Poland, killing two people, although evidence suggests it was fired by Ukrainian forces at an incoming Russian missile.

Technically, that missile attack, with lethal consequences, constitutes a military aggression against a NATO member state, triggering Article 5 of the North Atlantic Treaty: “The Parties agree that an armed attack against one or more of them in Europe or North America shall be considered an attack against them all…”