Serfs had a definite place in feudal society, as did nobles and knights: in return for security, a serf would live upon and work for the piece of land inside the estate of his master. Thus the manorial system displayed a degree of the interchange. As the Romans had the right to sell their slaves but the lord of the manor could not sell. That is really it.
I think that your answer choice is correct because Ford did not want his cars to be expensive. He wanted them to be affordable for all people. Also, he did not invent the assembly line. I believe the answer you chose is the correct one.
during the early industrial revolution from 1760-1851 which is the change from agricultural to industrial society. the mule technological invention allowed the British to undersell high quality handmade Indian cloth.
