 Complete the following phrase:  In September 1939, following the German invasion of Poland, the city was occupied by Germany and made part of the General Government. The Polish and Jewish population were subjected to various crimes. Poles expelled in late 1939 by the Germans from Złoczew, which was directly annexed by Germany, were deported to Sandomierz. Others were conscripted for forced labour and many were sent to labor camps. The largest mass arrests of Poles, including teachers, local officials and activists, were carried out in March 1940. In June 1940 in Brzask Forest, Germans murdered 760 Poles as part of the 