Memory Key Battles of the RevolutionVersion en ligne Significance of key battles of the American Revolution par Daniel Yoder Saratoga American and French forces trap the British Army forcing a surrender and an end to the war. American victory that convinces the French to join the war effort. Bunker Hill Yorktown Long Island Colonial forces harass British troops on their march back to Boston. This kicks off the American Revolution Lexington & Concord Inspired the Second Continental Congress to write the Olive Branch Petition. Gen. Washington is able to escape and avoid total destruction, teaching him he can win the war simply by not losing it.