Obama Declares Open-Ended Middle East War
He did so in flagrant violation of international law. It's not the first time. It won't be the last. It is longstanding US policy. All US wars are lawless.
They violate the Constitution's Supremacy Clause (Article VI, Clause 2). It states all US laws and treaties "shall be the supreme law of the land…"
International law is clear and unequivocal. No nation may attack another except in self-defense. None may do so without Security Council authorization. None exists. Expect none forthcoming.
UN Charter Article 2(7) states:
Nothing contained in the present Charter shall authorize the United Nations to intervene in matters which are essentially within the domestic jurisdiction of any state or shall require the Members to submit such matters to settlement under the present Charter.
Under no circumstances may one nation, or combination thereof, intervene against another without Security Council authorization: Article 8 of the 1933 Montevideo Convention of Rights and Duties says:
No state has the right to intervene in the internal or external affairs of another. [Under Article 10, differences between states] should be settled by recognized pacific methods. [Article 11 calls sovereign state Territory] inviolable...