Lithuania–Russia relations in Suvalkija, to the Soviet sphere of influence. The exchange of territories was also motivated by Soviet control of Vilnius: the Soviet Union could exert significant influence on the Lithuanian government, which claimed Vilnius to be its "de jure" capital. In the secret protocols, both Soviet Union and Germany explicitly recognized Lithuanian interest in Vilnius. Accordingly, by the Soviet–Lithuanian Mutual Assistance Treaty of October 10, 1939, Lithuania would acquire about one fifth of the Vilnius Region, including Lithuania's historical capital, Vilnius, and in exchange would allow five Soviet military bases with 20,000 troops to be established across Lithuania. After months
1922 Republic of Central Lithuania general election a mere fraction of the total population (about 2–3% of the population, according to Russian 1897 and German 1916 censuses). The Lithuanians nonetheless believed that their historical claim to the city (former capital of the Grand Duchy of Lithuania) had precedence and refused to recognize any Polish claims to the city and the surrounding area. The League of Nations mediated the dispute and strongly advocated a plebiscite where the local population would vote to be incorporated either into Poland or Lithuania. However, neither Poland nor Lithuania wanted the vote. Poland had control of the territory and saw no reason to