Which of the Following Best Describes the NSA

Which of the following best describes the NSA?

A) An intelligence organization of the United States government, responsible for global monitoring, collection, and processing of information and data for foreign intelligence and counterintelligence purposes.
B) This position was recommended following the 9/11 attacks on the United States that demonstrated that the some seventeen various intelligence agencies failed to cooperate well together.
C) Federal agency once known for being responsive absorbed by the Department of Homeland Security just prior to the disastrous response to Hurricane Katrina.
D) Someone, such as the FBI, can use facial recognition and track movements among Closed Circuit Television, as an example. This is an area that Congress has largely ignored.