Answer:
He destroyed the mouse's winter shelter
Explanation:
In this story, the speaker apologizes for having destroyed the mouse's winter shelter and having now given it cause to fear its fellow man.
He stabbed him with a knife
Answer:
She explains to him that he has an upper hand in the situation (knowing that Jack was saying bad things about him). She then tells him that if he refuses to go back to school on his own, she'll tell their parents who will tell the school principle and that everyone will start treating him like a freak that needs to go to a special needs school. That is ultimately what makes up his mind to go back.