Term used by the German occupation power for the destruction of entire villages and execution of their inhabitants in retaliation for the (suspected) participation in resistance actions or granting support to partisans. Introduction of the principle of collective responsibility through a decree on "counteracting acts of violence in the GG" of 31-09-1939 and Himmler's decree on "counteracting criminal gangs" of 30-09-1942. The operations were carried out by units of SS, Gestapo and military police as it suited the occupants; larger operations were supported by the German army. A total of 440 villages in Poland were destructed and their inhabitants killed in this way.