Of course after that He said... (commanded)
Mark 16:15; And He said to them, "Go into all the world and preach the gospel to all creation.
Still for the "twelve"... that wasn't really their ministry.. but for Paul and Barnabas.. it was.
Rom 11:13; But I am speaking to you who are Gentiles. Inasmuch then as I am an apostle of Gentiles, I magnify my ministry,
1 Tim 2:7; For this I was appointed a preacher and an apostle (I am telling the truth, I am not lying) as a teacher of the Gentiles in faith and truth.
In fact every book Paul wrote (with the possible exception of Hebrews, which no one knows for sure who wrote) was written to the Gentiles.
The sign nailed to the cross said "King of the Jews" Our Lord and Savior.
The 2nd coming, The Lord is King of Kings Lord of Lords, He will bring in the Kingdom of God. HE will rule The Earth.
Zechariah 14:9 And the Lord shall be king over all the earth: in that day shall there be one Lord, and his name one.
Jesus ministered only to the Jews. The Law and Old Testament promises, were for the Jews... not for the Christians
Acts 3:25 Ye are the children of the prophets, and of the covenant which God made with our fathers, saying unto Abraham, And in thy seed shall all the kindreds of the earth be blessed.
Ephsians 2:11 Wherefore remember, that ye being in time past Gentiles in the flesh, who are called Uncircumcision by that which is called the Circumcision in the flesh made by hands;
12 That at that time ye were without Christ, being aliens from the commonwealth of Israel, and
strangers from the covenants of promise, having no hope, and without God in the world:
Romans 15:
8 Now I say that Jesus Christ was a
minister of the circumcision for the truth of God, to confirm the promises made unto the fathers:
Those under the Law were held to a different standard, under the covenant Promises
Christians are not of the Circumcision.
We are under The Gospel of Grace, cleansed by the Blood of the Lamb. We are the Body of Christ, Jesus is the head.
The Jews, believer in Christ, were never called Christians.