That person is called a king
The answer is B; He was crowned the first emperor of the Holy Roman Empire by Pope Leo III in a lavish ceremony in Rome.
Answer: A. As people interacted, they exhanged ideas, languages, and religons
Explantation:
Trade routes were most responsible for aiding the early spread of Islam. Information was preserved and shared in West Africa for most of the region's history through oral traditions. A Griot sang songs about African heroes. For example, they would have sang about the life and deeds of Sundiata.