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.

Q: Category: A CAST OF THOUSANDS 
Clue: It's what you're trying to catch when you're fly-casting

A: fish
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Q: Category: THE 1930s 
Clue: On September 18, 1934 the Soviet Union joined this international organization

A: league of nations
****
Q: Category: GO GO GAUGUIN 
Clue: When this crashed in Paris in 1883, Gauguin lost his day job & decided to devote himself to painting full-time

A:
stock market
****