How does the attainment of Manifest Destiny in the 19th century lead to divisions on political, economic and moral grounds that ultimately lead to the Civil War? But make sure that you address each aspect of the question. You will want to first determine what central issue was that had divided the country as it expanded West. Then make sure you give attention to each category (political, economic and moral divisions). Also, you must provide a thesis statement in the introductory paragraph in which you specifically address the question.