Question: Who was the French military organization that in 1940 controlled the section of the Maginot Line between the French border with Belgium and Maubeuge in the battle know as The Fall of France?
Sentence (from "Fortified Sector of Maubeuge"): The sector was not as strongly defended as other sections of the Maginot Line Large portions of the Maubeuge sector were defended by blockhouses or casemates.
Relevant evidence: No