French and Spanish power structures during this tumultuous period. At the start of the book, Oman outlines the historical context that led to the Peninsular War, highlighting Napoleon's ambitions and the fragility of the Spanish monarchy under King Charles IV and his favorite, Manuel Godoy. The opening sections look at the Treaty of Fontainebleau and its implications, revealing how Napoleon used Spanish weaknesses to plot his military strategies. Oman introduces key figures, including Godoy and the young Ferdinand of Asturias, and emphasizes the growing unrest and political intrigue within the Spanish court, setting the stage for a dramatic conflict that would involve multiple nations and reshape European political boundaries. (This is an automatically generated summary.)