Roman Power established a commonwealth and Christ was born at the crossroads of history when trade routes, roads and shipping combined to enable the rapid spread of the gospel throughout the civilian world.The decline of the Empire left an infrastructure and written records of the period and of the network of churches survived ,albeit against political and divisive opposition
Kings and Monasteries helped to spread Christianity.
Paul of Tarsus, who was previously known as Saul spread Christianity as the first Christian missionary, or person who spreads their belief to non-believers. He travelled across the Roman Empire, sending Christian messages to gentiles and non-Jewish communities as well as to Jews. This allowed more people to follow the faith. He preached about Christianity in new areas where no one had preached before, and established Christianity there.
Paul
clovis helped spread christianity by making it the only legal religion
Kings and Monasteries helped to spread Christianity.
medieval missionaries
the bible
They built the Vatican.
Trade.
As Christianity spread it faced many oppositions. Some of the Christian that helped in spreading the gospel were persecuted, jailed and tortured.
they helped Jesus the messiah
Charlemagne, the Roman Emperor