<P> as Soviet Socialist Republics within the Union of Soviet Socialist Republics . </P> <P> Germany effectively gave Moscow a free hand in much of these territories in the Molotov--Ribbentrop Pact of 1939, signed before Germany invaded the Soviet Union in 1941 . </P> <P> Other Soviet - annexed territories included: </P> <Ul> <Li> Eastern Poland (incorporated into Ukrainian and Byelorussian SSRs), </Li> <Li> Part of eastern Finland (became part of the Karelo - Finnish SSR) </Li> <Li> Northern Romania (part of which became the Moldavian SSR). </Li> <Li> Kaliningrad Oblast, the northern half of East Prussia, taken in 1945 . </Li> </Ul>

What country in europe was divided along communist and capitalist lines