TASK DEFINITION: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
PROBLEM: Category: 18th CENTURY CORRESPONDENCE 
Clue: In 1776 she wrote, "Whilst you are... emancipating all nations, you insist upon retaining an absolute power over wives"

SOLUTION: abigail adams

PROBLEM: Category: MONEY 
Clue: On July 27, 1971 Richard Nixon gave her the first of the new U.S. dollar coins

SOLUTION: mamie eisenhower

PROBLEM: Category: THE PLANETS 
Clue: Containing less than 1% of the mass in the solar system, it's the second most massive object in it

SOLUTION:
jupiter