What Hath God Wrought

This book offers a comprehensive history of the United States from the Battle of New Orleans to the end of the Mexican–American War. It explores the political, social, economic, and cultural changes during this period, including the rise of mass political parties, the impact of new communication and transportation technologies, and the influence of religious movements such as the Second Great Awakening.

The book also delves into the roles of key figures like Andrew Jackson and John Quincy Adams, and it highlights the intersection of politics, religion, and social reform movements, including women's rights and abolition.