Which of the Following Best Describes the Preemption Theory in Foreign

Which of the following best describes the preemption theory in foreign policy?

A) The United States may strike first militarily to prevent a military attack on it.
B) The United States may use deadly violence against civilians to further a political goal.
C) The United States may invade other nations but only when the United Nations supports the action.
D) The United States must remain the largest military power in the world to preempt any other nation's interests.
E) The theory refers to the successful attempt of the United States to surpass Russia as the world's only superpower.