John Maynard Keynes theorized that the depression would occur when the economic cycle broke.
Answer:
Hades looks like a dark-bearded man, black hair and gray eyes. He uses a Pitchfork, a two pointed staff, and a helmet of invisibility given to him by the Cyclops after the war.
Explanation:
It would be a "strike" that is the term utilized when union workers refuse to work due to contractual disagreements, although this can occur even when contractual issues are not present.
The President you are looking for is Franklin Delano Roosevelt. Hope this helps :)