Answer:
C. The family is the center of American social life and the primary social institution in which Americans learn their values.
The clergy were the religious people of the Middle Ages. Following the pope, in order of rank, there were bishops, priests, monks and nuns. In the latter part of the Middle Ages, the pope, as head of the church, had much influence over the king and total control of the clergy.
I believe you're looking for the Missouri Compromise.