The answer to your question would be, “to show that despite its differences, America is still a country that unites in times of strife.” Hope this helps!:)
In chapter 2 of the Lightening Thief, Percy sees 3 old ladies knitting a sock and one cuts a string looking in his direction which symbolizes Percy's lifeline is in danger. The ladies know he is a demigod in danger, and the mist keeps him from knowing this. The mist conceals magic. Later as the book goes on strange events lead to a realization that he is a demigod.
It could be said that both were ready to die for the cause, they knew that this was a possibility so that why they were brave and determined. it might also reflect that both acted for revenge. what is more, they are ready to kill Beowulf is ready to kill the monster and the monster is ready to kill him and hurt his people.
Well the characters are a sort of tricksters, they engage in deceit, magic and violence.It teaches how some aspect of animal and human life came to be. It teaches us not to be so greedy like the coyote, as he took way more than he needed from the cow and later learned his lesson when left with nothing at all.