<Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> 1--2 November 1963 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Saigon, South Vietnam </Td> </Tr> <Tr> <Th> Result </Th> <Td> Coup attempt successful, Military Revolutionary Council takes power, releases political prisoners . Leaders Diem, Nhu, Can and Tung assassinated . </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> Date </Th> <Td> 1--2 November 1963 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Saigon, South Vietnam </Td> </Tr> <Tr> <Th> Result </Th> <Td> Coup attempt successful, Military Revolutionary Council takes power, releases political prisoners . Leaders Diem, Nhu, Can and Tung assassinated . </Td> </Tr> </Table> <Tr> <Th> Date </Th> <Td> 1--2 November 1963 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Saigon, South Vietnam </Td> </Tr>

In 1963 the united states stopped its support for the leader of south vietnam because