Regionalism addresses exceptional features of a specific region and discusses them whereas Post-Modernism sees chaos and disorder. The Postmodernist period leaned toward being discrete in its subject matter and are often localized. Sarah Orne Jewett wanted to capture the different distinctions of language, atmosphere, and common ideas of precise principles to the regions. In “A White Heron” the characters where from two different areas and genders one a country female and the other urban male. Tim O’Brien focuses his writing on telling the stories of issues at hand of war based on his involvement of the war. The distinctive thing about Joyce C. Oates is her disposition to take on courageous topics that are going on in life which makes her part of the Post- Modernism.