Charlotte's Web

What are the similarities and differences between Wilbur and Charlotte’s characters, and how do these similarities and differences allow them to grow and learn from each other?

How do Wilbur and his life act as a symbol of justice from the time he is saved by Fern until the end of the story after Charlotte’s passing?

Why do the humans decide not to eat Wilbur, and what characteristics does Charlotte see in humans that made her prediction so accurate?