1. Is war always wrong? Or can the use of large-scale, organized violence sometimes be justified?

Does it even make sense to apply moral principles to war?

What have theorists and philosophers had to say about the problem, and how has the discussion developed in the course of history and in response to events?

What is a so-called just war? What does it mean to have a just cause?

How likely and imminent does an attack have to be to justify preemptive war?

Does a responsible government act to deter its enemies, or strike first to neutralize potential threats?

What justifies prevention?

Is war a realm of necessity, or of ethics?

What is a just peace?