Castlereagh and Adams: England and the United States, 1812–1823

Bradford Perkins

Castlereagh and Adams: England and the United States, 1812–1823 explores the transformation of Anglo-American relations during a pivotal decade. This volume, the conclusion of a trilogy, examines the United States' journey toward true sovereignty and international recognition. It traces the evolution from the Federalist pragmatism that tempered ambition, through the Republican overreach that culminated in the War of 1812, to the synthesis of realism and aspiration embodied in postwar diplomacy. The narrative focuses on the interplay between British and American policies, emphasizing the role of British foreign secretaries Viscount Castlereagh and George Canning in recognizing American independence and fostering a foundation for equal relations. By 1823, this new dynamic allowed the U.S. to assert its autonomy, notably through the Monroe Doctrine, which marked a decisive step toward self-reliance and independence in foreign policy. The book situates these developments within a broader context, addressing political, economic, and psychological factors that shaped both nations' approaches. While the emphasis remains on Anglo-American relations, the study integrates significant episodes such as the Treaty of Ghent and the complex dialogue leading to the Monroe Doctrine. It provides insight into how postwar nationalism influenced American self-perception and diplomatic strategies. With a focus on key figures and moments, the volume argues that this era completed the United States' transition from a dependent former colony to a confident sovereign power, reshaping the international balance and signaling the maturation of its global standing.