What does Waltz identify as a possible solution to a nuclear-armed Iran?

a. The United States would denounce any plans to overthrow Iran's regime in return for nuclear concessions from Iran.
b. Existing nuclear states would all agree to dismantle their nuclear arsenals in return for Iran's agreement to give up its own nuclear program.
c. Iran would agree to sweeping democratic reforms in return for international assistance in developing its nuclear program.
d. The United States would promise China a certain percentage of Iranian oil exports in return for Chinese support for a military attack on Iran.
e. The United Nations would impose economic sanctions on Iran but would allow it to exchange oil for food and medicine.

Answer: a