How did Jesus teachings reach so many people in the early Roman empire?

A. Through forced conversation on the orders of the emperor
B. Through the travels of his followers on Roman roads
C. Through local laws dictated by the Pope
D. Through the decision of a council of bishops

B. Through the travels of his followers on Roman roads

Jesus' teachings spread throughout the early Roman Empire primarily through the travels of his followers on the well-developed Roman roads. The apostles and other early Christians traveled to various regions, sharing the message of Jesus and establishing Christian communities. This dissemination of Jesus' teachings on a practical level helped reach a wider audience in the diverse and expansive Roman Empire.