However , the government was divided along factional lines and the officials could not reach a decision .
Some Koreans realized that the threat from Japan was great : They argued that the Joseon dynasty needed to prepare for invasion from Japan as well as the existing Jurchen menace .
The government was divided along factional lines and the officials could not reach a decision .
Some Koreans realized that the threat from Japan was great : They argued that the Joseon dynasty needed to prepare for invasion from Japan as well as the existing Jurchen menace .