Answer:
The water must be heated.
You didn't provide us with the text.
Twain accomplishes his purpose chiefly through telling a story within a story, also called a "frame story".
I think A…I’m sorry I’m not completely sure but I just wrote an essay and my claim was in the middle of my introduction
Originates mid 19th century: from Spanish/Mexico , meaning ‘rough, or rude
The correct line should be " I hear America singing, the varied carols i hear,"
After claiming that everyone sings, various voices, he goes on to explain who comprises these voices of American singing.