A lot of people are talking about the Iraq “war” being mismanaged or badly planned. They are asking why there was no exit strategy.
You legally get into a war when somebody attacks you. And then you’re expected to attack the people who actually attacked you, not somebody you’d like to attack. This kind of war is never planned, and nobody’s thinking about how to get out of it. It’s an emergency, or panic response.
No one who has ever planned a war has had an exit strategy. Any war that has been planned has only had one goal: to conquer, stay, own and rule. That is a premediated war. That is illegal under international law.
There’s a legal definition for planning a premeditated war against someone who has not attacked you: