Iranian Nuclear Threat - Is There a Plan B?

Is this just a repeat of three years of trump era maximum pressure? And if it does look the same, then why should it work this time? If it hadn't worked over the past three years, i think it would be more of the same. This also has nok onle fects on the way ther are the major powers,. especially russia and china, a view this whole situation. China in consistently, has been consistent in its line er that the tat hat the us. Secondary senction, second sanctions, meaning senctions that don't just apply like primary sanctions on us. But by european states, perhaps the un. Ideally, for their mind