<Tr> <Td> Euromaidan </Td> <Td> 2013 </Td> <Td> 2014 </Td> <Td> Civil unrest fueled by the perception of widespread government corruption, abuse of power and violation of human rights in Ukraine . The unrest eventually lead to the 2014 Ukrainian Revolution toppling of the Ukrainian government . </Td> </Tr> <Tr> <Td> Russian military intervention in Ukraine </Td> <Td> 2014 </Td> <Td>--</Td> <Td> In March 2014, following the takeover of Crimea by pro-Russian separatists and Russian Armed Forces, an unauthorised referendum was held on the issue of reunification with Russia . Russia then annexed Crimea . Then Violent protests of the Russian population began in Donetsk and Luhansk Oblasts, which turned into a full - fledged war . </Td> </Tr>

Which of the following caused the most conflict within russia after the end of the cold war