<Tr> <Td> Communist Party (show) <Table> <Tr> <Td> <Ul> <Li> Congress </Li> <Li> Central Committee </Li> <Li> History </Li> </Ul> </Td> </Tr> <Tr> <Th> General Secretary </Th> </Tr> <Tr> <Td> <Ul> <Li> Politburo </Li> <Li> Secretariat </Li> <Li> Orgburo </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> <Ul> <Li> Congress </Li> <Li> Central Committee </Li> <Li> History </Li> </Ul> </Td> </Tr> <Tr> <Th> General Secretary </Th> </Tr> <Tr> <Td> <Ul> <Li> Politburo </Li> <Li> Secretariat </Li> <Li> Orgburo </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> <Ul> <Li> Congress </Li> <Li> Central Committee </Li> <Li> History </Li> </Ul> </Td> </Tr> <Ul> <Li> Congress </Li> <Li> Central Committee </Li> <Li> History </Li> </Ul>

What form of government was the soviet union