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.

[Q]: Category: FLAGS OF THE WORLD 
Clue: "L'Unifolié" is one of the names popularly given to the new flag unveiled in 1965 by this country
[A]: canada


[Q]: Category: INTERNATIONAL FILM DIRECTORS 
Clue: This director of an Oscar-winning film is fighting to preserve Angel Island, site of a former immigration station in S.F. Bay
[A]: ang lee


[Q]: Category: 19th CENTURY PRESIDENTS 
Clue: His letter accepting his nomination concluded, "Let us have peace", which became the GOP campaign slogan
[A]:
ulysses grant