Answer:
3. The Kitchen symbolizes a place where lesser people go, hence the term "women belong in the Kitchen", but in this context, it shows a societal role.
4. Being among people is symbolizing the concept of fitting in. Rather than being cast aside, you are a part of a group. The kitchen represents being different, a "cast away" as mentioned before.
5. The speaker is stating that he is equal. In this context, "Being America" symbolizes being equal.
7. He states that because he believes that people will realize the wrongfulness of their actions and feel ashamed.
8. I'm not sure, sorry