What is the Gospel of the Kingdom?
It’s God’s Promise (Covenant) to Abraham (Genesis 15) to have a kingdom on earth.
Genesis 15:7-8,18 And he said unto him, I am the Lord that brought thee out of Ur of the Chaldees, to give thee this land to inherit it.And he said, Lord God, whereby shall I know that I shall inherit it?
In the same day the Lord made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
The Lord Jesus begins His ministry by offering the Jews the Kingdom with Him as King.
Mark 1:14-15 Now after that John was put in prison, Jesus came into Galilee, preaching the gospel of the kingdom of God, And saying, The time is fulfilled, and the kingdom of God is at hand: repent ye, and believe the gospel.
If only they would believe Him and accept Him as their King.
Matthew 4:23 And Jesus went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom, and healing all manner of sickness and all manner of disease among the people.
For 3 years He proved who He was and offered the Jews the Kingdom.
Matthew 9:35 And Jesus went about all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing every sickness and every disease among the people.
His answer to the 12, about the future.
Matthew 24:14 And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.
This will happen during the 7 years of Tribulation.
When the Jews didn’t accept Christ and had Him crucified, Saul, who became Paul was saved to become the apostle of the Gentiles.
Acts 9:15 But the Lord said unto him, Go thy way: for he is a chosen vessel unto me, to bear my name before the Gentiles, and kings, and the children of Israel:
Now, today, Salvation for Jew or Gentile is by believing in the Death, Burial and Resurrection of the Lord Jesus and confessing that He is God.
1 Corinthians 15:1-4, Romans 10:9-13