Suppose the United States never gained its independence from Great Britain. Instead, George Washington and King George III forge an alliance that results in the North American Union. Instead of a war that weakens Britain’s grip on North America and contributes to the gradual decline of its world-spanning empire, peace ushers in an era of near-total British domination of North America, Africa, China, and Australia. Only Russia, and the Franco–Spanish “Holy Alliance” can possibly challenge…