"This was the first nation in the history of the world to be founded with a purpose."
"The history of this country, in large measure, is the history of the expansion of that right to all of our people."
Water. it will be water because water or some kind of liquid is the only thing that will evaporate.
I believe there is a mistake in your choices, because I don't see the correct choice here. The correct answer should be ABAB ABCB.
This is because in the first stanza, the first line A (son) rhymes with the third line A (shun), and the second line B (catch) rhymes with the fourth line B (Bandersnatch) - which makes the first stanza ABAB.
In the second stanza, the first line A doesn't rhyme with anything (hand), the second line B (sought) rhymes with the fourth line B (thought), and the third line C doesn't rhyme with anything - which makes the second stanza ABCB.
The fifth labor is hardesr