question: Which lasted longer, the Second Battle of the Marne or the Battle of Belleau Wood?
answer: Second Battle of the Marne
context: Title: American Expeditionary Forces
  Passage: The American Expeditionary Forces (AEF) was the expeditionary force of the United States Army during World War I.  It was established on July 5, 1917, in France under the command of General John J. Pershing.  During the United States campaigns in World War I it fought alongside the French Army, British Army, and Canadian Army on the Western Front, against the German Empire.  A minority of the AEF troops also fought alongside the Italian Army in that same year, against the Austro-Hungarian Army.  The AEF helped the French Army on the Western Front during the Aisne Offensive (at the Battle of Château-Thierry (1918) and Battle of Belleau Wood) in the summer of 1918, and the AEF fought its major actions in the Battle of Saint-Mihiel and the Meuse-Argonne Offensive in the latter part of 1918.
  Title: Second Battle of the Marne
  Passage: The Second Battle of the Marne (French: "Seconde Bataille de la Marne" ), or "Battle of Reims" (15 July – 6 August 1918) was the last major German offensive on the Western Front during the First World War.  The attack failed when an Allied counterattack by French and American forces, including several hundred tanks, overwhelmed the Germans on their right flank, inflicting severe casualties.  The German defeat marked the start of the relentless Allied advance which culminated in the Armistice with Germany about 100 days later.
  Title: USS Belleau Wood
  Passage: Two ships of the United States Navy have been named Belleau Wood, after the Battle of Belleau Wood near Château-Thierry in France.
  Title: Battle of Belleau Wood
  Passage: The Battle of Belleau Wood (1–26 June 1918) occurred during the German Spring Offensive in World War I, near the Marne River in France.  The battle was fought between the U.S. 2nd (under the command of Major General Omar Bundy) and 3rd Divisions along with French and British forces against an assortment of German units including elements from the 237th, 10th, 197th, 87th, and 28th Divisions.  The battle has become a key component of the lore of the United States Marine Corps.
  Title: Marne Medal
  Passage: The Marne Medal (French - "médaille de la Marne") was a French medal awarded to soldiers who had fought in the First Battle of the Marne, the Second Battle of the Marne or both engagements, particularly those who took part in fighting between 6 and 12 September 1914 on the Senlis front at Verdun.
  Title: Clifton B. Cates
  Passage: Clifton B. Cates (born Clifton Bledsoe Cates; August 31, 1893 – June 4, 1970) was a senior officer of the United States Marine Corps who served as the 19th Commandant of the Marine Corps from 1948 to 1951.  He was honored for his heroism during World War I at the Battle of Belleau Wood, and in World War II for inspired combat leadership at the Battle of Iwo Jima.  He is considered one of the most distinguished young officers of the Great War.  Cates was one of the few officers from any branch of service to have commanded a platoon, a company, a battalion, a regiment, and a division each in combat.
citations: Battle of Belleau Wood Second Battle of the Marne