"Strike First" or Initiating a War May Be the Appropriate

"Strike first" or initiating a war may be the appropriate strategy for a nation if

A) it has a national security advantage which it believes will be eroded in time
B) it already faces a national security disadvantage vis-à-vis an adversary
C) it wants to shift its production possibilities curve to the right
D) it wants to shift its production possibilities curve to the left
E) it wants to shift its adversary's production possibilities to the right