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.

Category: OPTICS 
Clue: On New Year's or any other day, it's the fineness of detail that can be distinguished in a photographic image
resolution

Category: GERMAN LITERATURE 
Clue: During World War I he fought on the Western Front & was wounded several times; he later wrote a 1929 novel about it
erich maria remarque

Category: HOTEL CALIFORNIA 
Clue: Plenty of room at this ship docked at Long Beach that opened its first hotel rooms in 1972

the queen mary