About Steven Hahn Steven Hahn is Professor of History at New York University. A Pulitzer and Bancroft Prize recipient, his most recent book is A Nation Without Borders: The United States and Its World in an Age of Civil Wars, 1830–1910 (2016). Books by Steven Hahn Remaking North American Sovereignty State Transformation in the 1860s contributions by Jewel L. Spangler, Frank Towers, Robert E. Bonner, Christopher Clark, Jane Dinwoodie, Steven Hahn, Ryan Hall, Benjamin Johnson, Pablo Mijangos, Mary Ryan, Andrew Smith & Marcela Terrazas y Basante series edited by Andrew L. Slap