Which of the Following Describes the Reasoning Behind Congress Allowing

Which of the following describes the reasoning behind Congress allowing the president to lead on issues of foreign affairs and defense?

A) The president has a monopoly of information on these issues via his Pentagon staffers
B) Members of Congress do not want to defer to their colleagues on the foreign policy and defense committees thus resulting in gridlock on these issues
C) Article II, Section 4 of the Constitution empowers the president to have broad lawmaking authority over issues of foreign policy
D) The Supreme Court ruled that the president is the constitutional authority over these issues