Wave of invader swept across Western Europe<span> (Vikings, Franks, Goths, and Huns) trade slowed down to a trickle (people became more isolated) towns became empty, and classic learning just stopped.</span>
Answer:
A belief that the person creates their own set of ethics.
They were classified into four social classes: the king and aristocracy, the military, artisans and craftsmen, and peasants. Members of the aristocracy were the most respected social class, and were responsible for governing smaller areas of the dynasty.
They had to produce more and more crops to raise enough money to feed their families. Over time the money was cut down because of how much they produced. Kind of like clearance. They couldn't feed there families anymore so they sold or gave their farm away and moved to the city for better work