Final answer:
In feudalism, the king granted vassals the right to occupy and use large tracts of land in exchange for loyalty and service.
Step-by-step explanation:
In feudalism, the king granted vassals the right to occupy and use large tracts of land in exchange for loyalty and service. These vassals were the noble warriors who served the king and protected his kingdom. The king rewarded them with fiefs, which were land-grants that included peasant labor and the right to extract wealth from the land.