 Complete the following phrase:  Many German-inspired massacres were carried out across occupied eastern Poland with the active participation of indigenous people. The guidelines for such massacres were formulated by Reinhard Heydrich, who ordered his officers to induce anti-Jewish pogroms on territories newly occupied by the German forces. In the lead-up to the establishment of the Wilno Ghetto in the fifth largest city of prewar Poland and a provincial capital Wilno now Vilnius, Lithuania, German commandos and the Lithuanian Auxiliary Police Battalions killed more than 21,000 Jews during the 