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.

Category: THE 1930s 
Clue: On September 18, 1934 the Soviet Union joined this international organization
league of nations

Category: BEFORE & AFTER 
Clue: 1995 film in which actor Beau's brother has a love affair in Iowa with Meryl Streep
jeff bridges of madison county

Category: MUSIC FACTS 
Clue: Of lento, adagio, or andante, the slowest tempo

lento