 Complete the following phrase:  In 1921 the Crimean Autonomous Soviet Socialist Republic was created. This republic was dissolved in 1945, and the Crimea became an oblast first of the Russian SSR 19451954 and then the Ukrainian SSR 19541991. From 1991 the territory was covered by the Autonomous Republic of Crimea and Sevastopol City within independent Ukraine. However, during the 2014 Crimean crisis, the peninsula was taken over by Russia and a 