国是商周时期一个颇有实力和影响的古老方国,但它和文献中的杞、纪、莱诸国各为独立族邦,没有等同关系,不可混为一谈。商末周初族的封地距周初的燕国不远,应该是符合实际的,只是其确切地望还有待今后考古发现进一步证实。族与燕侯有主从关系,实为燕国的附庸。两周之际,国为避戎祸将都邑迁徙到山东黄县一带,而非莒县北部。虽然前后两个国在时空上有所不同,但他们同为侯爵,并与周王室保持婚姻关系,若非同一邦族,绝无如此巧合。周朝统治者经略北土,对于国族众,采取承认爵秩、实行政治联姻、屡加奖赏等多种安抚措施,有效地增强了族对周王朝的向心力,使之成为归服于周并称臣纳贡的异姓诸侯。国臣服周王朝后,与周王朝一直保持密切合作关系,对于维护周人在北土、东土的统治发挥了积极作用。 It is an ancient state that is quite powerful and influential in the Shang and Zhou dynasties, but it can not be confused with the independent clans of the Qi, Ji and Lai countries in the literature. At the beginning of the Shang dynasty, the fiefs of the Han tribe were not far from the Yan State in the early Zhou dynasty. They should be realistic, but their exact hope remains to be confirmed in future archaeological discoveries. The clan and Yan Hou have the master-slave relationship, in fact, is the dependency of Yan State. On the occasion of the two-week period, the country flew to the Yellow County area of ​​Shandong Province instead of the northern part of Lixian County to avoid the Eastern Han Dynasty. Although the two countries were different in time and space, they were both Marquis and Marriage with the Zhou royal family. It was no coincidence that they were not the same people. The rulers of the Zhou Dynasty, after passing through the north of the country, took various appeasement measures such as recognizing the rank of the Grand Duchess, practicing political marriage and repeatedly awarding prizes, and effectively enhanced the centripetal force of the clan toward the Zhou Dynasty, making it a service to the people In the week and said Chen Naigong different surnames princes. After the Kuomintang took office in the Zhou dynasty, the Kuomintang maintained close cooperative relations with the Zhou dynasty and played an active role in safeguarding the rule of Zhou people in the northern and eastern territories.