Which of the following BEST characterizes how Congress and the President share power in the fields of foreign affairs, war, and national defense?

A. Congress' war and foreign policy powers defer to the President's expressed powers in these areas.
B. The Constitution grants all of the war powers to the President, and all of the foreign policy powers to Congress.
C. The President can use military forces in response to an attack, but only Congress can declare war.
D. The War Powers Resolution granted equal war and foreign policy powers to Congress and the President.