Earlier quoted context omitted.
Do those sanctions even work? Well, you mentioned "North Korea still builds nuclear weapons," but didn't mention Iran having them. So, something worked. It wasn't 100% just sanctions... But the sanctions certainly hampered their ability to acquire effective air defense. (The NK sanctions were too late — NK had already started nuclear weapons testing before the sanctions were levied.) Off the top of my head: I don't t…
> But the sanctions certainly hampered their ability to acquire effective air defense. Effective air defense against military superpower (and they were effectively fighting against American technology) is something very hard to build, with or without sanctions. Ukraine is a good proof: Russia was denied air superiority using manned aircrafts but they still manage to inflict significant damage with missiles and drones…
Regardless, you don't have an answer to Libya's nuclear program being shut down due to sanctions, and South African apartheid ending due to sanctions. Do sanctions have a 100% success rate? No. But they have a much higher success rate than jeans and heavy metal.