There are no answer choices so I can't be sure exactly what you're looking for, but I'd say paragraph.
A stanza is a group of lines forming the basic recurring metrical unit in a poem, used to separate topics and build a piece of poetry neatly. A paragraph is a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering. Paragraphs separate thoughts and topics and are a building block for an essay or prose.
I have acctualy seen hell... your right, its awful. even just thinking about it makes me cry. not to mention the screams! it sounds like thousands of people are being murdered...(prob true) no more details it gets really gory...DX