The character that left was the maid, Mercy. She left because the grandmother decided to sit next to the daughter and this meant that she was not needed anymore. This scene is important because it foreshadows and implies many things from the future of the story which are related to the idea that they are all faking it.
"IT IS BETTER THAT A FEW SHOULD PERISH THAN THAT OF THE WHOLE CITY" I hope i helped :-)
New Mexico helped in the Cold War by providing men to fight in the Cold War.
Also, New Mexican civilians employed people from national labs.
Answer:
The benefits of studying history include learning what made life the way it is and to gain knowledge to not to repeat the bad parts of history. It is important to know what happened and how it can be avoided next time.
( I know this is not all of it but I hope this helps by putting this small part in there. )