America and Americans broadly do not respect “international law” as an idea. We don’t vote for representatives in a UN House of Reps or UN Senate. And if we did why would we wish to be beholden to a majority rules vote when that majority combined might be inferior militarily.
America tolerates international law when it doesn’t interfere with our course.
The idea of a “one world government” is treated as a fringe tin hat conspiracy theory nonsense that no one is advocating for.
Since when is it illegal to sell tritium in the US? Gun companies selling tritium glow in the dark sights all the time.