Which of the Following Is a Reason an Alliance Commitment

Multiple Choice

Which of the following is a reason an alliance commitment might not be reliable?

A) Alliances are legal obligations.
B) Allies rarely agree on when to act.
C) The lack of an ironclad agreement (in order to avoid entrapment) could cause a state not to act.
D) Incomplete information might prevent states from knowing when they are supposed to act.