I'm sorry to say but your question has been falsely posted in the History section and should be placed in the proper science section. Have a good day :)
Answer:
D
Explanation:
There are many examples of civilizations trading because they don't have the things their trading for. Like Egypt and Nubia with gold and ivory, Mesopotamia, and Indus Valley civilizations with spices and textiles, China made a road for trading silk with other civilizations because they didn't have it.
In order to socialization to occur in any setting--large or small--the people involved must be comfortable with themselves in order to be a functioning part of the group.
My answer would be (B) because after slavery was abolished farmers didn't have as much help that was needed to harvest all the crops on the large amounts of land so sharecroppers were needed to help harvest them all.
So B
During the high Middle Ages, the Roman Catholic Church became organized into an elaborate hierarchy with the pope as the head in western Europe. He establish supreme power. Many innovations took place in the creative arts during the high Middle Ages. Literacy was no longer merely requirement among the clergy. New readings were addressed to a newly literate public that had both the time and the knowledge to enjoy the work.