Explanation:
Take the black codes for example, they were made to make the black's conform to the white man's belief on how much privilege a black man should have.
In the beginning, Lizabeth acted childish, immature, and didn't know about the world outside her neighborhood. During the story, she realized that the world isn't as kind as forgiving as she thought. At the end, she is more mature, understanding, and a forgiving woman. She changed because she realized that she needed to grow up. Hope this helps.
B is correct "Dozens" is spelled correctly. As for the other sentences their is incorrect spelling. :)