"Expansion and Conflict" by William Edward Dodd is a historical account written in the early 20th century. This volume delves into the transformative events and social dynamics that shaped the United States, particularly from the 1820s through the Civil War, emphasizing sectional conflicts, political rivalries, and the evolving American identity. The author examines key figures and themes, notably focusing on Andrew Jackson's presidency and the conflicting interests of different regions, such as the emerging West and the established East and South. The opening of the book introduces the author’s thesis that a cohesive national identity emerged only after the Civil War, exploring the political turmoil and economic transformations that preceded it. Dodd outlines Jackson’s rise as a populist figure representing the interests of the West in opposition to the elitist political structures of the East. He details Jackson's early life, his military exploits, and the emergence of the Democratic Party, setting the stage for the dramatic political landscape of the era. As the narrative unfolds, the stage is set for the conflicts that would arise from competing sectional interests, tariffs, and the struggle for power between Jacksonian democracy and the traditional political order. (This is an automatically generated summary.)