Why was the battle of yorktown significant apush?

Last major battle of the Revolutionary War American troops under George Washington and Comte de Rochambeau trapped British troops under Charles Cornwallis and his troops in the Chesapeake Bay, with the help of Admiral de Grasse and the French fleet. Cornwallis was forced to surrender. Significance: although not the last of the fighting, this signified the end of the war.

False but idk if im right

Cuneiform (a type of writing)