Answer:
Fiefs
Explanation:
Fief can be defined as a heritable piece of land granted by the overlord to the vassal or the knights. The lord were the noble people who possessed or owned lands and vassals were the knights.
The knights were granted a piece of land, known as fiefs, by these lords in exchange for their service and protection.
This system of exchange of land for the service and protection is termed as feudalism.
So, the correct answer is the second option fiefs.
