Charting the rise of the United States from a peripheral, comparatively weak power in the late nineteenth century to the pinnacle of its military, diplomatic, and cultural influence in the early twenty-first. How and why did this momentous transformation occur? Who resisted and why? What were the attitudes of foreign nations as the United States became a great power of the first order and then surpassed them all?
Historians won’t be giving up their visits to archives or their days picking notebooks and letters out of boxes any time soon. But the path to those boxes has changed dramatically as institutions and history enthusiasts have been digitalizing and posting their treasures online.