Muhammad passed his messages from God to his followers in Mecca.
The answer is B. The Berlin Conference defined the rules and the agreements for European Empires to successfully colonise Africa.
Christianity began in the 1st century AD as a Jewish sect but quickly spread throughout the Greco-Roman world. Despite early persecution of Christians under the Roman Empire, it became the state religion in the end. In the Middle Ages it spread into Northern Europe and Russia.
While in jail, he joined the Black Muslims, a new branch of Islam. Burning to know more about his faith, he began a campaign to improve his reading and writing. After copying an entire dictionary page-by-page he read every book in the prison library had in philosophy, history, literature, and science.