1954 transfer of Crimea Ukraine inexorably to Russia, "Eternally Together", as a poster commemorating the event of 1954 proclaimed. The transfer was described by some of the Supreme Soviet as a gift to commemorate the 300th anniversary of the Treaty of Pereyaslav in 1654 when the Cossack Rada apparently decided to unify with Muscovy, putting in place the eventual acquisition of Ukraine by Russia. Other reasons given were the integration of the economies of Ukraine and Crimea and the idea that Crimea was a natural extension of the Ukrainian steppes. There was also a desire to repopulate parts of the Crimea which had suffered
Russification of Ukraine was also largely "rotated" by Stalin's purges. Russification of Soviet-occupied Ukraine intensified in 1938 under Nikita Khrushchev, then secretary of the Ukrainian Communist Party, but was briefly halted during World War II, when Axis forces occupied large areas of the country. After the war ended, Western Ukraine was reabsorbed into the Soviet Union, and most prominent Ukrainian intellectuals living there were purged or exiled to Siberia. Leonid Brezhnev continued the Russification policies of Khrushchev in postwar Ukraine. In the 1960s, the Ukrainian language began to be used more widely and frequently in spite of these policies. In response, Soviet authorities