Question: Which battle, occurring 100 days after the Second Battle of the Marne, went into effect on November 11, 1918 and marked the victory for the Allies?
Sentence (from "Henri Mathias Berthelot"): He held an important staff position under Joseph Joffre, the French commander-in-chief, at the First Battle of the Marne, before later commanding a corps in the front line.
Relevant evidence: No