Demographics of Crimea point of time. Turkey has provided the greatest support to Ukraine, which has been unable to resolve the problem of education in the mother tongue in Crimea, by bringing the schools to a modern state. Ukrainian was until 2014 the single official state language countrywide, but in Crimea government business was carried out mainly in Russian. Attempts to expand the usage of Ukrainian in education and government affairs have been less successful in Crimea than in other areas of the nation. Currently two thirds of migrants into Crimea are from other regions of Ukraine; every fifth migrant is from elsewhere
Annexation of Crimea by the Russian Federation treaty and called Russia's actions "a gross violation of international law". The Rada called on the international community to avoid recognition of the "so-called Republic of Crimea" or the annexation of Crimea and Sevastopol by Russia as new federal subjects. On 15 April 2014, the Verkhovna Rada declared the Autonomous Republic of Crimea and Sevastopol to be under "provisional occupation" by the Russian military and imposed travel restrictions on Ukrainians visiting Crimea. The territories were also deemed "inalienable parts of Ukraine" subject to Ukrainian law. Among other things, the special law approved by the Rada restricted foreign citizens' movements to