In Discussing What It Terms "The Imperial Presidency," the Text

In discussing what it terms "the Imperial Presidency," the text identifies all of the following as sources of presidential power except

A) the president's unlimited access to the media.
B) the Fourteenth Amendment to the Constitution.
C) the president's power to manage the federal bureaucracy.
D) the president's ability to raise money and make appearances for other candidates for public office.
E) Article II of the Constitution.