Witch detail should most likely be cited in a historical criticism of a literary work?

The author's use of dialogue in the literary work. the impact the literary work has on modern audiences. the popular cultural trends of the time when the work was written.

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.