Where has the nuclear Non-Proliferation Treaty been least successful?

Question

Quizplus · Accepted Answer

The nuclear Non-Proliferation Treaty has been least successful in preventing Iran from developing nuclear weapons. Despite being a signatory to the treaty, Iran has been accused of secretly pursuing nuclear weapons technology, leading to international sanctions and tensions. The other options, former Soviet states, Brazil, and Argentina, have all largely complied with the treaty's provisions and have not been known to actively pursue nuclear weapons.

Where Has the Nuclear Non-Proliferation Treaty Been Least Successful