The political systems of yan state -- its bureaucracy and enfeoffment institution during the warring states period .

燕国的政治制度--战国时期的官僚机构和封君制度。

Enfeoffment , court meeting , sacrifice-offering and execution made patriarchal ideas and oath-making conventions mutually influence , which changed considerably the social structure and national distinctions in those days .

分封、朝会、祭祀、行刑，使宗法观念与盟誓习俗相互影响。这种相互影响的结果，使当时的社会结构和民族特性发生了较大改变。

Secondly , with the development of the economy , the feudal system of enfeoffment together with the concept of christendom that prevailed in the medieval europe had been disintegrating .

其次，随着经济的发展，欧洲的封建封臣制和基督教大世界观念逐渐瓦解。