The sentences are an example of <span>a hasty generalization. Because it has conclusion without detailed explanation. This sentence just has general statements with hasty conclusion.</span>
I only see 3 excerpts.....those I can see would be as follows:
1) Society and class
2) humankind and nature
3) evolution
Don't know why the other 2 excerpts don't show up (for me)
<span>C. We should always remember the people who died at Gettysburg.
Lincoln is saying that people in the future will forget what people said there, but they should never forget what people did there--they gave their lives for the fight and should be honored and remembered forever. </span>