Your ideas, what you want to talk about in your story.
General structure of your story.
I think the answer is C the 1969 moon landing
Racism hugely effects economically. Theres a thing called gentrification and white flight. Gentrification example is Hawaii. Hawaii is a brown state, but because of white people moving there the natives are forced to leave their homes. White flight is when a neighborhood is white, but has an increasing number of minorities moving into the area, and because of that, and the people not wanting diversity the white people leave, thats why its called white flight.
You can look into it a lot more but that majorly effects the US, in places like New York, New Jersey, Detroit, Hawaii, California etc
The servants do not "abscond" because Montresor tells them to stay at home; they do so because he tells them he will be gone all night. They don't care if he finds out that they all left to join in the carnival. He can't fire them because he can't get anybody to replace them.
Answer:
I believe the answer is C