Ethos, pathos, and logos. Ethos is appealing to the reader by the author establishing his credability. Pathos is appealing to the reader by the author "pulling at the readers heart strings." This means he is illiciting emotions in the reader. Logos is appealing to the reader by the author establishing logic in his argument. These stratagies are used by all authors, not just historical fiction writers.
The novel to kill a mockingbird came at a crucial time in american history in which (segregation) and (racism) were fueling debates across the country.
it is appropriate to break the rule that requires subjects joined by and to use a plural verb when either and neither are subjects. They always take singular verb.
For example :
Either of us is capable of doing the job