 Complete the following phrase:  The Białystok Ghetto was established in 1941, following the murder of 7,000 Jews from Białystok and surrounding areas by Einsatzgruppe B, Police Battalion 309, and Police Battalion 316. In February 1943, 8,000 Jews were deported from the ghetto to Treblinka extermination camp and another 2,000 were executed in the ghetto. On 16 August 1943, the final liquidation of the ghetto began. Although 