Church officials were known as clergy.
Answer:
The correct answer is : Social comparison
Explanation:
It happens when a person determines his or her personal or social worth based on how they stack up against others. This is a way of promoting self-improvement and a positive self-image. They evaluate their beliefs, abilities, and attitudes in comparison with others.
Cultural diffusion means that some cultures and values would spread from one place to another. So it's not enough for them to be preserved in the original place, (this makes us exclude options B and C) but they need to be spread to other places, such as to other parts of the US - the correct answer is a)