<Table> <Tr> <Th_colspan="2"> (show) Transcriptions </Th> </Tr> <Tr> <Th> Revised Romanization </Th> <Td> Joseon Jeonjaeng </Td> </Tr> <Tr> <Th> McCune--Reischauer </Th> <Td> Chosŏn Chŏnjaeng </Td> </Tr> </Table> <Tr> <Th_colspan="2"> (show) Transcriptions </Th> </Tr> <Tr> <Th> Revised Romanization </Th> <Td> Joseon Jeonjaeng </Td> </Tr> <Tr> <Th> McCune--Reischauer </Th> <Td> Chosŏn Chŏnjaeng </Td> </Tr>

Why did north korea attack south korea in 1950