In a market economy, the interaction of supply and demand determines the quantity and equilibrium price of the goods and services traded. Likewise, the market is responsible for the distribution of income through the possession of productive factors (capital, labor, etc.). In a market economy, the key signals are prices, which indicate the relative scarcity of resources.
I’d say C
So sorry if I’m wrong!!
Except for the king, every noble in a feudal society served as a <u>vassal </u>to a higher noble. The vassal in medieval Europe, was a man who was granted land in exchange for service and loyalty to an older man or is more important. They made a feudal contract that was an exchange of promises between lords and vassals. In feudal society was the monarch, then the powerful lords who had vassals.