“You then have to develop who you can leave this to, because the only other alternative would be to kill them all.”
Well, if we killed them all, they would be free! Or, we could leave...which we should in my opinion. These people will die first. Our move.
You win the war by killing what makes them money to fund their operations as well.
Destroy for years their drug crops from the air.
Go after charities and anything else that funds terror.
One of the main reasons we went into Iraq was that they were paying 25k per suicide bombings in Israel with their oil for food money.