Political status of Crimea declared their independence from Ukraine as a single united state under the name of "Republic of Crimea". These two entities (Crimea and Sevastopol) were then annexed by Russia, where the Crimean Autonomous Republic became the "Republic of Crimea" as a Russian republic and Sevastopol became a Russian federal city. However, Ukraine and the majority of the international community do not consider the merge, the independence, the referendum, nor the annexation legitimate and still consider both entities as parts of Ukraine. Despite international opinion however, the currency, tax and legal system are all operational under Russian jurisdiction. Ukraine has applied for
Annexation of Crimea by the Russian Federation the 31st Separate Airborne Assault Brigade dressed in Berkut uniforms), established security checkpoints on the Isthmus of Perekop and the Chonhar Peninsula, which separate Crimea from the Ukrainian mainland. Within hours, Ukraine had effectively been cut off from Crimea. On 1 March 2014, Aksyonov declared Crimea's new "de facto" authorities would exercise control of all Ukrainian military installations on the peninsula. He also asked Russian President Vladimir Putin, who had been Yanukovych's primary international backer and guarantor, for "assistance in ensuring peace and public order" in Crimea. Putin promptly received authorisation from the Federation Council of Russia for a Russian