External conflict is outside influences such as two people in a fight or argument or man vs animal.
B; Boorish means rough or coarse. Chaucer (the author) is saying that the Knight had never been rude, bad-mannered, or mean to another person. He is of high order among the other characters but chooses to be kind instead.
The most obvious fault of this paragraph is the lack of punctuation marks. The entire paragraph is one sentence, when there are supposed to be periods, commas, and other punctuation marks to separate them. This makes this paragraph one run-on sentence, which is grammatically incorrect.
