Answer-
Everyone disappeared without a trace in 1590, and only left behind 2 clues: "Croatoane" carved into a gatepost, and "Cro" carved into a tree. No one knows what really happened, but their are theories that they were attacked by local native american tribes.
Giving workers more pay or less hours, or worst of all, letting them unionize, would severely impact your profit margins and production output (speaking as a factory owner of course)
The Reign of Terror came to an end, because the man who had started the Reign of Terror (Robespierre) was executed. The Reign of Terror also came to an end, because nuns had been executed because they did not want to give up their monastic vows and they were very calm during the execution, so this shifted the mood in Paris, probably making the general population realize that the mass executions were futile.
It is b Japan because it is the only one that has a similar feudal system with Europe