The events of the American Revolution signified by Lexington, Bunker Hill, Valley Forge, Saratoga, and Yorktown are familiar to American readers. Far less familiar is the fact that, for the British, the American colonies were only one front in a world war. England was also pitted against France and Spain. Not always in command of the seas and threatened with invasion, England tried grimly for eight years to subdue its rebellious colonies; to hold...