Through his death Christ has brought near believers from the nations who were very far from God.
There is a popular expression that says "seeing is believing." However, many people saw the amazing signs performed by Jesus and did not believe...
Through a series of mistakes by the disciples, Jesus taught them and us what following him is not.
Because of a general persecution in Jerusalem, the believers were scattered and took the gospel to Judea and Samaria, where many believed in Christ.