What is the literary element?

compares and contrast two short stories: “A&P” by John Updike and “Gorilla, My Love” by Toni Cade Bambara
I have created an outline that you can use as reference for both short stories, attached. 
Select a theme that works for both short stories. 
What is the literary element?
I need an introductory paragraph describing “A&P” (you can use the one I provided if you feel it is strong enough), to include a thesis statement stating how they compare to each other.
I need three supporting paragraphs:
Each must have a topic sentence and supporting points that show how they compare to each other.

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