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.
C. I really don't have an explanation for this, but I know this from a BrainPOP video. Hope I helped! ☺
Answer: the invention of cotton gin
Explanation:The cotton gin refers to a a machine that sets aside cotton fibers from their seeds. Therefore, the invention of the cotton gin transformed the cotton industry in the United States and demanded cheap labor force, which led to the rise of slavery in the South and to the American Civil War later.