At this level "might makes right" is the only reality. Don't let anyone tell you otherwise. Oh yeah they went through UN for the sanctions... right... as if the UN isn't little better than a rubber stamp agency in these areas.
On the flip side the US can do little if someone like China or Russia decide to trade with and help out Iran. The problem is the software sector is heavily dominated by the US, so they can disproportionately affect Iran.
On the flip side the US can do little if someone like China or Russia decide to trade with and help out Iran. The problem is the software sector is heavily dominated by the US, so they can disproportionately affect Iran.