The right option is D i.e Province.
Province refers to a large local territorial unit.
In some countries like Canada province refers to a state while in some countries like India province refers to a division within the sate. In these countries states are divided into provinces for convenient governance.
One of his teachings were to respect others the way you wanted to be respected.
Since the aristocrats were rich and mean, they didn't want to be disrespected.
Answer:
Gold could be traded for salt, which was used to preserve food and maintain health,