How Have the Wars in Iraq and Afghanistan Affected America's

How have the wars in Iraq and Afghanistan affected America's power in the world?

A) They have depleted U.S. resources and left America economically weakened.
B) They have depleted U.S. resources, but increased the prestige of America in the world.
C) They have increased America's military power by demonstrating the willingness of the U.S. to preemptively fight perceived enemies to the American way of life.
D) They have made the U.S. stronger by reducing the threat of terrorism.
E) They have stimulated the American economy by creating a demand for goods necessary for the war effort.