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