Um.... I need your article about the gettysburg adress
The term self-concept is a general term used to refer to how someone thinks about, evaluates or perceives themselves. To be aware of oneself is to have a concept of oneself.
The abolitionists saw slavery as an abomination and an affliction on the United States, making it their goal to eradicate slave ownership. They sent petitions to Congress, ran for political office and inundated people of the South with anti-slavery literature.
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)
I think it would be c since it is in auto biography style.