<Tr> <Td> <Ul> <Li> 1 . Lenin </Li> <Li> 2 . Stalin </Li> <Li> 3 . Malenkov </Li> <Li> 4 . Khrushchev </Li> <Li> 5 . Brezhnev </Li> <Li> 6 . Andropov </Li> <Li> 7 . Chernenko </Li> <Li> 8 . Gorbachev </Li> </Ul> </Td> </Tr> <Ul> <Li> 1 . Lenin </Li> <Li> 2 . Stalin </Li> <Li> 3 . Malenkov </Li> <Li> 4 . Khrushchev </Li> <Li> 5 . Brezhnev </Li> <Li> 6 . Andropov </Li> <Li> 7 . Chernenko </Li> <Li> 8 . Gorbachev </Li> </Ul> <Li> 1 . Lenin </Li> <Li> 2 . Stalin </Li>

Explain how the reunification of vietnam under communist rule affected the region