The Great War: Week by Week 100 Years Later S02E28 - Week 50: Adapt or Die - The Artillery Barrage

The Great Retreat of the Russians during the last weeks has shown one thing: Artillery is the key to success. More specifically, a new kind of artillery tactic called the artillery barrage which focuses shelling on one part of the front. August von Mackensen had actually stolen this approach from John French. The Entente tried to use it on the Western Front a few months earlier without the expected breakthrough.