This work investigates the complex diplomatic and military power dynamics that defined the European continent between the revolutions of 1848 and the conclusion of the First World War. A.J.P. Taylor, a prominent British historian, utilizes a vast array of primary diplomatic records and state correspondence to argue that the shifting alliances and the pursuit of hegemony were the primary drivers of European instability. He examines how the collapse of the Concert of Europe led to a rigid system of competing interests that ultimately made a general war inevitable.

Historians and scholars widely regard this text as a foundational study of 19th and 20th-century European diplomacy. Readers frequently note the dense, analytical nature of the prose, which assumes a high level of familiarity with the political landscape of the era.