Збруч
Later in 1918 Russia chose to withdraw its recognition of independent Ukraine, representing the protocols of the Versailles Treaty as justification for its action. In 1920 Symon Petliura and Józef Piłsudski signed the Warsaw Treaty in which both countries established their borders along the Zbruch River. The states that previously recognized the Ukrainian People's Republic ceased any relationships with its Government-in-exile after they recognized the Soviet Government in Kiev.