Hrothgar asked Beowulf to battle Grendel's mother because the king believed he was the only man capable of dealing with such monsters. This was because Beowulf had earlier succeeded in mortally wounding Grendel. Further, Hrothgar wanted revenge for his close friend.
It was D desire for money. As it says “caprice of a well-fed man; on the lawyer’s pure greed of gold.” This shows he was out for money.
“Each youngster was given basic training, learning how to hold a shield so that it protected his companion on his left as well as himself”
Greek history is lit
-a Greek
The purpose is for the author to make the reader want to read and find out more since most likely the first book ended in a cliff hanger; they want the reader to read more and find out more of what will happen.