How would you explain how the discovery of St. Peter's Tomb led to the spread of
Christianity.

Saint Peter's tomb is a site under St. Peter's Basilica that includes several graves and a ... Following the discovery of bones that had been transferred from a second tomb under the ... side of a well-known road leading out of the city, the Via Cornelia (site of a known pagan and Christian cemetery) on the hill called Vaticanus.

Explanation:

i would go with the last one