 Subsequently, no further attempts were made to reach a political rapprochement between Romania and the Soviet Union.Moreover, by 1937, Litvinov and the Soviet press revived the dormant claim over Bessarabia.On August 23, 1939, the Soviet Union and Nazi Germany signed the Molotov–Ribbentrop Pact, a non-aggression treaty that contained an additional secret protocol with maps, in which a demarcation line through Eastern Europe was drawn, dividing it into the German and Soviet interest zones.