By summer 1776, the most powerful navy in the world was conveying the greatest British expeditionary force in history across the ocean to suppress the American rebellion. George Washington’s ragtag Continental Army seemed no match for this great force. They suffered one defeat after another. Winter was coming on. Enlistments would expire at the end of the year. On December 20, Washington wrote Congress: “10 days more will put an end to the existence of this army.”