I'm not sure if these are answers? BUT I would say the setting explains what's happening and where they are, which give you a better idea on what's happening and lets you imagine, and understand the story more clearly.
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The writer who wrote a humorous tales about the Gold Rush was Mark Twain, his writing was characterized by his satirical sense of humor and this was the same thing that made him loved among the critics.
Twain wrote a lot of things about the gold rush because it was a time that influenced him in a very personal way, he lived the struggles and changes that all this economic rush gave to America and its citizens.
To make new friends you should start by joining groups or clubs with similar interests to you. Put yourself out there and be friendly to those you meet so they know you're open to being their friend. Keep conversation polite, but be you. Don't pretend to be someone you're not. If things go well, you can ask them for a way you can contact them to hang out or chat again. Continue to be nice and chat with them regularly to keep your friendship thriving.