Final answer:
George Washington attacked Trenton, New Jersey during the winter, surprising and defeating the Hessian forces.
Step-by-step explanation:
During the winter, George Washington launched surprise strikes against British forces in their winter quarters. One of the towns he attacked was Trenton, New Jersey. On December 25, 1776, Washington led his soldiers across the Delaware River and surprised an encampment of Hessians, German mercenaries hired by Great Britain. He defeated them and took over nine hundred captive. He also achieved another victory at the Battle of Princeton on January 3, 1777.