Boats that carry Washington's men across the Delaware River break

Say that the boats that carried Washington's men across the Delaware broke or were otherwise unusable/unavailable. What would happen?
 
Washington and his solders die of hypothermia. If the British ever hear of it, some of the rank and file assume it was divine punishment for trying to attack a peaceful force during a Christmas truce. Some of the higher ups might make use of this for propaganda saying that the death of the leader of the revolution on Christmas is proof that God is with them.
 
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