 Complete the following phrase:  During the occupation of Poland World War II, in 1939, Germans carried out mass arrests of local Poles, who were later murdered in the area or deported to Nazi concentration camps. Some of these Poles were murdered in Skrwilno between 15 October and 15 November 1939 and in Brzezinki in October 1939. The interwar principal of the local high school, Klemens Malicki, was among the Polish principals and teachers murdered in the Oranienburg concentration camp as part of the 