By December 1776, the morale of American colonists fighting in the Revolution had been severely weakened by a string of losses to the better-equipped British. On Christmas Day, Washington crossed the partially-frozen Delaware River with thousands of troops, overnight and during an ice storm, to surprise and overwhelm Hessian mercenaries at Trenton. There were few casualties, and the bold move restored hope of an American victory. What secret phrase signaled the start of the crossing? Discuss
Source: The Free Dictionary