International law is an anarchist system. If you possess enough power and social standing you can ignore and manipulate it without consequence

Critical support for UN peacekeepers entering the U.S.

The GA has no such power. It can discuss and recommend on a bunch of stuff, but can’t enforce something like a blockade, anything that would effect things. The only body that can do that is the SC (and wouldn’t you know it, that’s where there is veto)

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