Feudalism, a system in which a person (vassal) pledged loyalty for protection, was a well-established part of the agricultural system of the middle ages. how did this system relate to that of earlier hierarchies?

Feudalism was initially displayed after the Roman custom of support. Feudalism was a mix of legitimate and military traditions in medieval Europe that prospered between the ninth and fifteenth hundreds of years. Extensively characterized, it was a method for organizing society around connections gotten from the holding of land in return for administration or work.