During which element of plot are the characters introduced and the setting established?

Before the german army vehicles arrived in sighet, one of the community members returned from budapest and warned everyone of the danger they were facing by staying in the community.

How would “in a station or the metro” change of the bough was bright and lovely rather than wet and black a: the station would seem cheerier b: the poem would not be considered imagist c: the people would seem less pleasant. d: the poem would no longer be hokku

How do the authors differ in the way they present the war in "facing it" and "ambush"?