<Tr> <Td> 1971 Bolivian coup d'état </Td> </Tr> <Tr> <Td> 1970--73 Chile </Td> </Tr> <Tr> <Td> 1979--89 Afghanistan, Operation Cyclone </Td> </Tr> <Tr> <Td> 1980--92 Angola, UNITA </Td> </Tr>

The bay of pigs invasion was based on the assumption that