Answer: Because chess is a game where you need a real poker face. You have to keep your emotions bottled up inside instead of showing them. Because then your opponent will know that you have a great move in mind or something along those lines. She loves these secrets because she wants to be unlike her mother who is always voicing her opinion. She wants to have her secrets to herself and she can through chess.
Hope this helped!
Often the difference is young adult novels have a more simplistic design than a classic novel.
Nationality would be the country a person was born in. Ethnicity would be their ethnic or racial background.
Example:
A person could be born in Canada and be Canadian but their ethnicity could be something like Chinese or African.
It can affect your life in the business world in a lot of ways. If you have good rhetoric, you're more likely to be hired and you'll probably perform better since you'd be more persuasive and eloquent.
If you have poor rhetoric, you're probably less likely to be hired because you don't know the vocabulary or you're not very persuasive. You also might perform poorly (for instance if you had to sell something and you didn't have good speech)
Grim melancholy would be the answer