Question: What was the last major German offensive on the Western Front during the First World War, Second Battle of the Marne or Battle of Pusan Perimeter?
Sentence (from "Battle of Pusan Perimeter"): An army of 140,000 UN troops, having been pushed to the brink of defeat, were rallied to make a final stand against the invading North Korean army, 98,000 men strong.
Relevant evidence: No