Answer:
SERF
(Middle Ages) a person who is bound to the land and owned by the feudal lord
Slave
explain it please its a little confusing if u could summarize it
<span>It is known as "social comparison".</span>
Social comparison theory<span> expresses that we decide our own particular
social and individual worth in light of how we stack up against others.
Therefore, we are continually making self and different assessments over an
assortment of spaces, for instance, engaging quality, riches, knowledge, and
achievement. These comparisons are capable in forming a person's personality,
inspiration to enhance themselves, confidence and general fulfillment with
their life.</span>
It depends how far back you are talking about. If you are talking back to the 1700s it would be cotton. If you are talking about a time period even father back than that, sorry, I can't help. Hope this helped.
C : What is appropriate as determined by some standard of moral conduct.
