Everybody now allied against him would have to freeze in place, and the victim country would begin the counterattack, trying to eliminate one aggressor country at a time by walloping each as hard as he could with the ball, beginning by throwing at those closest to him and advancing his position with each murderous thwack.
Well, one step is obvious to everybody bar the United States itself: put sensible conditions, such as a freeze on Jewish settlement of the occupied territories, on some of that lavish aid to Israel.