Which individual traveled thoughout the roman empire to spread the christian faith

Paul of Tarsus was an apostle who traveled throughout the Roman Empire, spreading the Christian faith.

Even though Paul was not one of the original 12 Apostles, he was one of the most important religious man during the Roman Empire.

Paul did an extreme effort spreading Christianity.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

i would say b. research typically uses a variety of sources