The only article among these options is an, and that is the correct answer - <em>an </em>is the indefinite article.
It, her, and that are pronouns.
She means that being a black southerner sucked, but it sucked even worse in the hot summer afternoons, which were hot and humid and uncomfortable and by which time everybody had been working hard all day, than in the mornings, when it was more comfortable and people had just gotten out of bed and weren't completely awake and aware of their lousy situation in life.
Patrick Henry argues that war with Britain is inevitable.
In his speech he says, "The war is inevitable -- and Let it come!" Throughout his famous "Give me liberty or give me death" speech, Patrick Henry details all of the reasons the colonies should have a revolution. He argues that Britain is treating them like slaves and ignoring all of their requests and petitions. He also states that the colonies will never be stronger. They are as strong as they are going to get and if they wait too long, Britain will have amassed an army that they will not be able to defeat.
I think the answer is Protect the Earth