For 10 points—name this fall 1918 World War I battle, which led Germany to seek an armistice, which was fought in a French forest.
This battle followed a victory at Saint-Mihiel. From October 4 to 16, the US First Army crossed the Aire River and captured German defensive positions. The Allies intended to capture the chief German supply line while attacking the Hindeberg Line. For 10 points—name this fall 1918 World War I battle, which led Germany to seek an armistice, which was fought in a French forest.
This battle followed a victory at Saint-Mihiel. From October 4 to 16, the US First Army crossed the Aire River and captured German defensive positions.
Battle of {Argonne} or the Meuse-{Argonne} offensive