page 220 marks a pivotal moment in the book. what happens and why is it so pivotal?

There are many publications of this book so page numbers can be different. Can you quote a line from the page so I know where you are?

Dad drew back his hand as if to smack me. " You watch your mouth, young lady. I can still whip your butt, and don't think I won't " - Page 220

Jeannette finally stands up to her father. Really she is standing up to everything her father represents. He straps her on the behind and this incident will change their relationship forever.