The fact that the Gospel had been proclaimed to the Roman world by the late middle of the first century does not mean that the task of world evangelization has been completed. People from every tribe, nation, and tongue will worship the Lamb of God (Rev. 7:9–17), and there are as yet many tribes and tongues who have never heard the Gospel. Are you a dedicated supporter of world missions? How can your time, talent, and possessions contribute to this task?
For further study:
The Bible in a year: