Question: Which battle was fought for a shorter period of time, the Battle of the Ch'ongch'on River, or the Meuse-Argonne Offensive?
Sentence (from "Battle of the Ch'ongch'on River"): In response to the successful Chinese First Phase Campaign against the United Nations forces, General Douglas MacArthur launched the Home-by-Christmas Offensive to evict the Chinese forces from Korea and to end the war.
Relevant evidence: No