sentences:  It was used again during World War I in a wave of systematic violence in occupied France and Belgium in August and September 1914, prompted in part by a fear of a civilian uprising and possible resistance by "francs-tireurs".Some 6,000 people were killed and 15,000-20,000 buildings, including whole villages, were destroyed.German forces made a much more systematic use of house demolition tactics during the World War II, razing numerous villages in occupied countries in reprisal for the killing of German troops by partisans.