French aid; British Gen. Cornwallis surrenders at Yorktown.
Development of American culture; battles of Valley Forge and Morristown, N.J.
Colonists oppose England; Paul Revere's ride alerts his countrymen to arm.
The Continental Army uses guerrilla tactics to counter British maneuvers.
Despite international support, the Continental Army suffers at Valley Forge.
Washington crosses the Delaware; Franklin goes to France.
The Second Continental Congress chooses George Washington to command its military.