Final answer:
Washington's strategic maneuvers led to the secretive siege of Yorktown, where Cornwallis was trapped on a peninsula and eventually surrendered after a blockade by the French fleet in Chesapeake Bay.
Step-by-step explanation:
General George Washington's plan of attack was strategic and secretive. He, along with French forces led by the Marquis de Lafayette and the Comte de Rochambeau, moved out of the North and marched south toward Virginia. The allied forces laid siege to British General Cornwallis's army, which was trapped in Yorktown, located on a peninsula.
Thanks to Admiral de Grasse's French fleet blocking any escape via Chesapeake Bay, Cornwallis's situation became dire. The resulting siege led to Cornwallis surrendering, sealing a decisive victory for the American and French forces and effectively ending the American Revolution.