Foreign policy of the USSR on the eve of the war.

The foreign policy of the USSR from 1939 to 1941 was aimed at occupying the territories that once belonged to the Russian Empire, but after the revolution they became part of the national states or became independent as the Baltic countries. In 1939, the USSR entered the territory of the Second Polish-Lithuanian Commonwealth and, together with the Third Reich, broke the last resistance of the Poles in the city of Brest-Litovsk, including the lands of western Ukraine and Belarus. In 1939-40 war was unleashed with Finland and Karelia was captured. In 1940 Bessarabia was annexed. From 1940 to 1941, the annexation of the Baltic countries took place.