After the Great October Revolution the Bolsheviks ceded (did not return) the southern Russian territories to Ukraine. All these territorial reforms were implemented without taking into account the national population of these territories. Even in our Central Asian region there are many misunderstandings left over from the Bolshevik and then Soviet nomenclature: tensions over the border between Kyrgyzstan and Tajikistan in the south, tensions between Tajikistan and Uzbekistan over the status of the historic city of Bukhara. Similar tensions were brought to the sovereign Republic of Ukraine and the Russian Federation way back in 1954 by the General Secretary of the CPSU – Nikita Khrushchev, who handed over the Crimean region and Sevastopol to the Ukrainian Republic. It wasn't a big deal or a territorial issue, because these lands passed through a huge country. That's why it was accepted as a minor formality. The Soviet population could not imagine that Russia, Georgia or Kazakhstan were separate from the USSR: they were one large united area. But fortunately or unfortunately it happened. Millions of people went to bed in one country and woke up in different countries, overnight becoming ethnic minorities in the former Union republics, while the Russian nation became one of the largest, if not the largest ethnic group in the world to be divided by borders. .'' Problems that had been cast decades earlier rose to the surface of the sea of ​​political problems of Russia and Ukraine. But those problems were masked and lulled by the subsequent peaceful policy between the two states, for example – the delimitation of the borders (on the initiative of Kuchma in 2000), maritime delineation of the border in the Sea of ​​​​Azov and Kerch