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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: WATCHMAKER, WATCHMAKER 
Clue: In 1924 England's John Harwood patented a watch that could do this to itself thanks to an internal swinging weight

SOLUTION: wind itself

PROBLEM: Category: EVERYTHING FROM C TO D 
Clue: In math: raised to the third power

SOLUTION: cubed

PROBLEM: Category: U.S. GOVERNMENT & POLITICS 
Clue: This document served as our basic charter of government from 1781 until the Constitution in 1789

SOLUTION:
the articles of confederation