I'm not exactly perfectly sure, but I believe it's 25 percent.
Both Calpurnia and Atticus are people respectful of the other. Calpurnia is angry at Scout because the girl does not treat Walter as an equal and acts in a rude way. Atticus supports Calpurnia's actions because he is also a moral man who tries to teach his children about respect.
3. Contributed to the development of representative democracy
