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
Khrushchev: The Man and His Era 11, 1971. "Khrushchev: The Man and His Era" was written by William Taubman, who serves as a professor of political science at Amherst College. The book is the first in-depth biography of Khrushchev, the publication of which was made possible by newly established access to archives in Russia and Ukraine, following the collapse of the Soviet Union. Prior to "Khrushchev: The Man and His Era", no other book was able to fully reflect the personal life and professional background of Soviet leaders, due to open source restrictions and lack of accessible materials and documentation. He spent almost 20 years researching