Which of the Following Best Captures McMahan's Criterion for When

Multiple Choice

Which of the following best captures McMahan's criterion for when someone is morally liable to be killed or otherwise have force used against him or her?

A) When the person poses an unjust threat to someone else.
B) When the person is causally responsible for initiating or sustaining a serious threat.
C) When the person is morally responsible for initiating or sustaining an unjust threat.
D) When the person is an unjust combatant or contributes to an unjust combatants' ability to wage war.