 Complete the following phrase:  After the Polish government-in-exile organized the Anders Army in 1941 in the Soviet Union in the aftermath of the Operation Barbarossa and evacuated it to the West, Polish communists sought to create a new army, under communist control, out of the many ethnic Poles that remained in the Soviet Union. These were primarily citizens of the prewar Second Polish Republic that had been deported and often imprisoned by the Soviets following the Soviet annexation of Polands eastern territories, as per the Molotov-Ribbentrop Pact. The Soviet Union created the Union of Polish Patriots ZPP in 1943, a communist Polish organization intended to represent the interest of Poles on Soviet soil and organize this new army. The relocated Poles, along with numbers of Byelorussians, Ukrainians, and Polish Jews, were organized into a division, the nucleus of a force known as the Polish Peoples Army Ludowe Wojsko Polskie, LWP but colloquially known as the Berling Army after its first commander, Zygmunt Berling. The division made its combat debut in October 1943 at the 