In this dialog, you should introduce the subject, make a claim, discuss necessary background information, and then present the evidence for the position. (custom-paper-writing.com)
Characters from established literature can provide necessary background without having to state it directly. (fictionsoutheast.com)
One disturbing finding was that half of these programs were cited for a failure to conduct necessary background criminal checks on staff in the past year. (thebronxchronicle.com)