1.The Qin - Han period was one when feoff system was replaced by fedual ownership of land and ideology changed.There appeared a kind of relatively open and farily free atomosphere of life.

1.秦汉采邑制与封建地主土地所有制，以及形态观念转的时期，出现了一种相对开放的社会风气，生活氛宽松。