Armenia was annexed by Bolshevist Russia and along with Georgia and Azerbaijan, it was incorporated into the Soviet Union as part of the Transcaucasian SFSR (TSFSR) on 4 March 1922. With this annexation, the Treaty of Alexandropol was superseded by the Turkish-Soviet Treaty of Kars. In the agreement, Turkey allowed the Soviet Union to assume control over Adjara with the port city of Batumi in return for <answer>sovereignty over the cities of Kars, Ardahan, and Iğdır</answer>, all of which were part of Russian Armenia.
What did Turkey gain from the Treaty of Kars?
sovereignty over the cities of Kars, Ardahan, and Iğdır