How did slavery and westward expansion (in the 19th century) lead to the Civil War?

How did slavery and westward expansion (in the 19th century) lead to the Civil War?

How did slavery and westward expansion (in the 19th century) lead to the Civil War?How to get a good grade on this assignment: Please start with a clear thesis statement that you will then support with examples AND analysis in subsequent paragraphs. Successful answers will include evidence/examples from the textbook, lecture notes, and/or the document reader where relevant. Remember to provide specific examples that support your argument/thesis AND explain how those examples support your argument/thesis. Whats a Thesis?