Maybe it is possible that they did not want to start another war
Answer:
establish procedures for arbitration, and create the mechanisms for economic and military sanctions.
Explanation:
Correct answer is: C. The lowest-level vassal in a feudal system.
Under Feudalism, there was a peasant status called Serfdom. Serfs were bound and tied to the land, if sold they came with it. It was not slavery itself, but under the feudalism they were definitely the lowest form of "tenant" of the land.