If farmers extinction or lost stability, food was lost. Rice, which caused a violent culture, national culture. Therefore, if there is no rice culture was lost and the nation will be lost.
If farmers become extinct or missing food security was gone. Rice culture, which is the beginning Indicative of a national culture. Thus, if the rice culture of it was gone and lost.
If farmers become extinct or lost food security was gone. Rice, which is the source culture. The culture is indicative of nationhood. Therefore, if there is no rice culture disappear and the nation will disappear.