Answer:
Correct answer is Land and military protection were major parts of the Feudal system.
Step-by-step explanation:
Feudal system was dominating during the Middle Ages and it was based on the on the loyalty and distribution of land. Seniors gave their land to vassals who used them, but in return had to provide military service to their seniors.
It didn't promote either democracy or prosperity and peace as only one class had benefit from this system.