The headquarter of NASA is located in

(A) California
(B) Hampton
(C) Washington, DC
(D) None of these

The answer is: (C) Washington, DC
Washington, DC, the U.S. capital is home to National Aeronautics and Space Administration (NASA).

The world’s oldest surviving federation is

(A) Italy
(B) Russia
(C) Great Britain
(D) United States

The answer is: (D) United States
The constitution of the United States has been effective since 4 March 1789. The United States is the oldest surviving federation in the world.