How Is the Iranian Effort to Acquire Nuclear Capabilities an Example

How is the Iranian effort to acquire nuclear capabilities an example of the problem of sovereignty?

A) Iran could potentially use a nuclear weapon to attack another sovereign nation.
B) Iran does not have the legitimate authority to break international atomic energy agreements.
C) Iran is powerless to stop other nations from imposing economic sanctions to stop its nuclear program.
D) Iran has no obligation to comply with the desire of other nations to limit the proliferation of nuclear weapons.