Under the George W

Under the George W.Bush administration,Congress reorganized the intelligence community and created a new position known as the director of National Intelligence.Why did Congress do this?

A) The director of the Central Intelligence Agency needed additional authority to combat the growing threat posed by weapons of mass destruction.
B) The September 11,2001,terrorist attacks revealed flaws in the way the U.S.intelligence community operated.
C) There was a need for the decentralization of authority within the intelligence community to prevent competition between agencies.
D) Congress wanted the Bush administration to have greater influence over the intelligence community.