unpopular with the majority of Serbs. This failed to turn the tide however, and the Germans were forced to bring in front line divisions from France, Greece and even the Eastern Front to suppress the revolt. Commencing from late September 1941, Operation Uzice expelled the Partisans from the occupied territory, and in December, Operation Mihailovic dispersed the Chetniks. Resistance continued at a low level until 1944, accompanied by frequent reprisal killings, which for some time involved the execution of 100 hostages for every German killed. The Nedić regime had no status under international law, no powers beyond those granted by the Germans, and was simply an instrument of German rule. Although German forces took the leading and guiding role of the Final Solution in Serbia, and the Germans monopolized the killing of Jews, they were actively aided in that role by Serbian collaborators. The Banjica concentration camp in Belgrade was jointly controlled by Nedic's regime and the German army. The one area in which the puppet administration did exercise initiative and achieve success was in the reception and care of hundreds of thousands of Serb refugees from other parts of partitioned Yugoslavia. Throughout the occupation, the Banat was an autonomous region, formally responsible to the puppet governments in Belgrade, but in practice governed by its Volksdeutsche (ethnic German) minority. While the Commissioner Government was limited to the use of gendarmerie, the Nedić government was authorized to raise an armed force, the Serbian State Guard, to impose order, but they were immediately placed under the control of the Higher SS and Police Leader, and essentially functioned as German auxiliaries until the German withdrawal in October 1944. The Germans also raised several other local auxiliary forces for various purposes within the territory. In order to secure the Trepča mines and the Belgrade-Skopje railway, the Germans made an arrangement with Albanian collaborators in the northern tip of present-day Kosovo which resulted in the effective autonomy of the region from the puppet government in Belgrade, which later formalized the German arrangement. The Government of National Salvation remained in place until the German withdrawal in the face of the combined Red Army, Bulgarian People's Army and Partisan Belgrade Offensive. During the occupation, the German authorities killed nearly all Jews residing in the occupied territory, by shooting the men as part of reprisals conducted in 1941, and gassing the women and children in early 1942 using