Please give me the correct answer. Only answer if you're very good at English. Please don't put a link to a website.​

11. why is it important to use positive language in business messages?

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

How was don quixote different from the literature before it? how did it signal a change in the history of literature? your answer should contain at least one hundred words.