The British began the war for America convinced that they could not lose. They had the best-trained army and navy in the world; they were familiar with the landscape from the Seven Years’ War; they had the willing warrior-power of most of the native tribes of the backcountry; and they easily captured every port city of consequence in America. A majority of colonists were either neutral or loyal to the crown. Why, then, did the British lose?

One continuing problem the British faced was the uncertainty of supplies. The army depended on a steady stream of supply ships from home, and insecurity about food helps explain their reluctance to pursue the Continental army aggressively. A further obstacle was their continual misuse of loyalist energies. Any plan to repacify the colonies required the cooperation of the loyalists, but the British repeatedly left them to the mercy of vengeful rebels. French aid also helps explain the British defeat. Even before the formal alliance, French artillery and ammunition proved vital to the Continental army. After 1780, the French army fought alongside the Americans, and the French navy made the Yorktown victory possible. Finally, the British abdicated civil power in the colonies in 1775 and 1776, when royal officials fled to safety, and they never really regained it. The basic British goal—to turn back the clock to imperial rule—receded into impossibility as the war dragged on.

The Revolution profoundly disrupted the lives of Americans everywhere. It was a war for independence from Britain, but it was more. It was a war that required men and women to think about politics and the legitimacy of authority. The rhetoric employed to justify the revolution against Britain put the words liberty, tyranny, slavery, independence, and equality into common usage. These words carried far deeper meanings than a mere complaint over taxation without representation. The Revolution unleashed a dynamic of equality and liberty that was largely unintended and unwanted by many of the political leaders of 1776. But that dynamic emerged as a potent force in American life in the decades to come.