This is trick because technically all but C are correct. If you can only choose one answer I would go with D.
Cahokia is a known historic site that can be found in Illinois, United States. Tribes lived in this place during the 17th century and they became the most influential urban community during this time. Mound Builders was also known as Cahokia tribe, they move to other place and decline to stay due to weather condition and tribal warfare. They started moving in different regions.
Answer:
The caste system is structured in terms of the businesses. The area of work defines what caste a certain person belongs to. Work lines such as agriculture and trade are considered as the higher and more prestigious castes whereas the lower level works such as music is considered as a caste of lower rank.
People are known from the caste background they belong to and that defines their role in the society. People tend to marry in the same caste to avoid mixing up in lower castes. some castes are given preference over other in the employment market. This also gives rise to inequality in the society.
Roger Sherman of Connecticut
