Answer : the atmosphere of a story
The mood of the literature refers to the entire atmosphere of the story. It induces several emotions or feelings to the readers with the use of creative words in descriptions and narrations. It usually brings a certain feel or emotional situation among the readers. The mood of the story can be enhanced using diction, the setting, the theme and even the tone of the story making it more dramatic, comic or tragic depending on the author. There are several methods used in creating tone through setting, theme, diction and others.
I don't understand your question is not fully written
By comparing the struggles of america to be those of all of the people in america, it reasonated with Whites specificly that what they were feeling was not only them, and this idea that they were not alone allowed Kennedy to adress "all" of America at once
