Answer:
the are in order backwards
Explanation:
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.
The one that is an example of a social barrier to cultural diffusion is :
Laws that prohibit western-style clothing
This will prevent a lot of western people to enter that specific region because they're afraid to get into trouble
hope this helps
B. When a candidate is officially nominated at the national convention.
