sentences:  Rather than holding down the same infantry divisions on the Verdun battlefield for months, akin to the German system, he rotated them out after only two weeks on the front lines.His decision to organise truck transport over the "Voie Sacrée" to bring a continuous stream of artillery, ammunition and fresh troops into besieged Verdun also played a key role in grinding down the German onslaught to a final halt in July 1916.In effect, he applied the basic principle that was a mainstay of his teachings at the École de Guerre (War College) before World War I