This work investigates the complex diplomatic and political tensions between Britain and Spain regarding the sovereignty and status of Gibraltar during the post-World War II era. D. S. Morris examines the geopolitical maneuvering, economic pressures, and nationalist sentiments that defined the relationship between the two nations from 1945 through 1990. By analyzing official government records and policy shifts, the author constructs a framework for understanding how colonial legacies and European integration influenced territorial disputes.

Scholars and historians recognize this text as a detailed examination of the specific diplomatic friction points between London and Madrid. Readers frequently note the academic density of the prose and the author's focus on institutional policy over popular narrative.