Answer:
Lords profited from peasants working their lands
Explanation:
In feudal system peasants recieved a piece of land in return for serving a lord or king, especially during times of war.This system was created when the conqueror William became the king of England. William confiscated the land in England from the Saxon lords and allocated it to members of his own family and the Norman lords who had helped him conquer the country. The main advantage of feudalism is that it brought stability.Serfs supported the infrastructure by providing essential goods and services.
The answer is Commerce and taxing
Midwest would be the answer