ABSTRACT In studies on the War of Jenkins’ Ear, a conflict between the British and Spanish empires, historians tend to focus on colonial expeditions, such as those against Porto Bello and Cartagena. On the other hand, operations against Spanish silver fleets, the mainstay of the Spanish imperial trade system, have attracted far less attention. This article examines these somewhat undervalued operations against the silver fleets as well as those concerning other Spanish shipping during the War of Jenkins’ Ear, giving their political and diplomatic backgrounds. This analysis demonstrates the significance of the issue of the silver fleets in Anglo-Spanish relations at the time. It also indicates the deep involvement of France in this issue and its influence on British naval operations. Finally, this article describes the development and implementation of British naval policy to put economic and financial pressure on the Spanish empire, arguing that the naval operations during this period were one of the earliest attempts at using blockades on both sides of the Atlantic, which Britain further developed in later imperial wars that took place during the long eighteenth century.
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