You must have written that in a test editor and pasted it into the response box because, when I hit "quote", there are no line breaks and there's no way in hell I'm going to clean it up.
Bush ended the war, which was our right the moment we went into combat.
Yeah, the UN "authorized" it the same way I'd authorize the police to save me during an attempt on my life.
Whether not the US formally declares war in an internal sense, is not the business of anyone outside of its borders. We told the UN that we'd go to war for them and, at the point, the control of the situation was no longer theirs.