Which of the following is NOT what the perpetual war can do for the US according to the passage?
A. Facing the least resistance as it avoids the most important part of the US Constitution.
B. Keeping the flag-waving patriotism always in full swing.
C. Labeling all opponents of US policies anywhere in the world "terrorists".
D. The easy mobilization of xenophobic, politically reactionary, flag-waving patriotism.