The political order under feudalism was dependent upon the relationship between lords and their vassals. The responsibility of the vassal included

A.
the promise to spread the Christian faith to their lands.
B.
an agreement to keep the lower classes under control.
C.
an oath of loyalty and a pledge of military service.
D.
the payment of taxes to the king or queen of the country.

1 answer

C. an oath of loyalty and a pledge of military service.

In the feudal system, vassals were obligated to provide military service and loyalty to their lords in exchange for land and protection.