Choose one of the following countries and explain how Sagan's models would apply to them if they were to proliferate: 1. North Korea; 2. Turkey; 3. Saudi Arabia; 4. Iran; 5. Brazil; 6. Poland.
(In other words: select one of those countries and discuss whether their [in some cases hypothetical] intent to acquire nuclear weapons would be best explained by the security, domestic, or norm models – and why)