This is to support the Codex Alimentarium by merging a national office directly into the arms of the U.N. overnight with no representation.
I think this reflects their immediate plans for accomplishing these things. Quick little surrenders of sovereignty to the U.N. with no debate to instantaneously give them authority in these matters.
They need a war now to serve as a distraction while this proceeds under the table. Misdirection is the primary ruse of magicians and wizards. Keep people busy looking over there while your hands are at work here. It really helps if lots of people are occupied just trying to survive while your agents sign off on these kinds of actions.
One morning you wake up and realize you are living under the yoke of a supranational global authority. That is how it is supposed to happen.