<Li> Death and funeral of Brezhnev </Li> <Tr> <Th> 1982--1991 Leadership changes and collapse </Th> </Tr> <Tr> <Td> <Ul> <Li> Invasion of Grenada </Li> <Li> Glasnost </Li> <Li> Perestroika </Li> <Li> Soviet withdrawal from Afghanistan </Li> </Ul> Singing Revolution <Ul> <Li> (Estonian Sovereignty Declaration </Li> <Li> Baltic Way </Li> <Li> Act of the Re-Establishment of the State of Lithuania </Li> <Li> On the Restoration of Independence of the Republic of Latvia) </Li> </Ul> Revolutions of 1989 <Ul> <Li> (Pan-European picnic </Li> <Li> Die Wende </Li> <Li> Peaceful Revolution </Li> <Li> Fall of the Berlin Wall </Li> <Li> Velvet Revolution </Li> <Li> End of communist rule in Hungary </Li> <Li> Romanian Revolution </Li> <Li> German reunification) </Li> </Ul> Dissolution <Ul> <Li> (Jeltoqsan </Li> <Li> Nagorno - Karabakh War </Li> <Li> 9 April tragedy </Li> <Li> Black January </Li> <Li> Osh riots </Li> <Li> War of Laws </Li> <Li> Dushanbe riots </Li> <Li> January Events </Li> <Li> The Barricades </Li> <Li> Referendum </Li> <Li> Union of Sovereign States </Li> <Li> August Coup </Li> <Li> Ukrainian independence (referendum) </Li> <Li> Belavezha Accords </Li> <Li> Alma - Ata Protocol) </Li> </Ul> </Td> </Tr> <Ul> <Li> Invasion of Grenada </Li> <Li> Glasnost </Li> <Li> Perestroika </Li> <Li> Soviet withdrawal from Afghanistan </Li> </Ul>

Why did the soviet union and china split