vassals
1.unpaid labor (as for the maintenance of roads) required by a lord of his vassals in lieu of taxes.
2.the social system that developed in Europe in the 8th C; vassals were protected by lords who they had to serve in war.
3.Chapter 2: primarily dissertates establishment, number, location, function frequency of use, destruction about the mansions of the princes, the vassals, the counties in Loyang during the Eastern Han Dynasty.
4.In ancient Rome we have patricians, knights, plebeians, slaves; in the Middle Ages, feudal lords, vassals, guild-masters, journeymen, apprentices, serfs; in almost all of these classes, again, subordinate gradations.
5.These accommodate overlord of scholar are vassals of Han army in the North of China at that time, they got the Mongolian ruler to trust by assisting the work praised when invading in the North China of Mongolia, become one of the defensibly local military strength.

