The Doctrine of Preemption Concludes That the United States

The doctrine of preemption concludes that the United States

A) should attack enemies after they take hostile action.
B) should attack its enemies before they can act.
C) should refrain from participating in international organizations such as the United Nations.
D) should assume a peacekeeping role throughout the world to forestall hostilities.
E) should assume that clandestine activities are hostile.