FDR: “I think it probably goes back to the days of—when did we first get California? 1847, wasn't it?”

All Federal agencies are directed to cooperate with the Secretary of the Interior to the fullest extent possible.

Possession of any mine or mines taken under this order shall be terminated by the Secretary of the Interior as soon as he determines that such possession is no longer required for the successful prosecution of the war.

I would say the United Nations.

It is not really of any great importance.