The war between Mongolia and jin dynasty caused the considerable destruction .some elites in jin dynasty surrendered themselves to the Mongolia, the Mongolia place rewarded them with the hereditary offiicer ,called them the marquis of han nationality. They comforted the common people ,solicited the intellectures ,found the schools ,stored the books and printed books to protect the ancient books and records on han culture; They promped the mongloia to change the policy of killing and robbing, took the measures of han nationality to get adjusted to the former means of production ,and so on ,which laid the solid foundation for the recovering and developing of the han culture. |