Which of the following is a definition for manorialism?
A) a ceremony in which the vassal declares his loyalty to his lord and receives his fief
B) a social and economic system in the Middle Ages based more in the monetary agreements of goods and services
C) a social, economic and political system in the Middle Ages in which vassals gave military service in return for land and protection from a lord
D)a manorial land held by the lord, attached to the manor house and not held by serfs or freemen