<Tr> <Th> Ideology </Th> <Td> <Ul> <Li> Communism </Li> <Li> Marxism--Leninism </Li> <Li> Left - wing nationalism </Li> <Li> Vietnamese nationalism </Li> <Li> Ho Chi Minh Thought </Li> <Li> Anti-imperialism </Li> <Li> Anti-revisionism </Li> </Ul> </Td> </Tr> <Ul> <Li> Communism </Li> <Li> Marxism--Leninism </Li> <Li> Left - wing nationalism </Li> <Li> Vietnamese nationalism </Li> <Li> Ho Chi Minh Thought </Li> <Li> Anti-imperialism </Li> <Li> Anti-revisionism </Li> </Ul> <Li> Marxism--Leninism </Li> <Li> Left - wing nationalism </Li>

How did the vietcong fight in the vietnam war