Answer:- Jesus and the Disciples preached the kingdom of God under the leadership of the Messiah King without identifying who that Messiah King was.
Explanation
It was Paul and Barnabas who were set apart as the apostles to the Gentiles (Acts 13:2, 46; Gal 2:9).
Yet, God appointed Peter, the Apostle of the circumcised, to inaugurate the entry of Gentile believers into the Church. We can see that in Acts chapter 10.
In his inaugural speech, beginning at verse 34, in Cornelius’s house Peter clearly identifies the true Gospel of God.
True Gospel Identified
- God sent the Gospel through Jesus Christ (verse 36).
- It was sent to the children of Israel originally (verse 36).
- It began after the time of John the Baptist (verse 37).
- It started out in Galilee (a Gentile area – Matt 4:15) and spread throughout Judea (verse 37).
Exactly in this way is what Mark describes the beginning of the Gospel.
- John the Baptist is arrested (Mark 1:14).
- “Jesus came into Galilee (a Gentile area according to Matt 4:15)” (verse 14).
- Proclaimed the true Gospel, God sent through Him (verse 14).
- We know from the gospels that Jesus proclaimed this Gospel to the children of Israel only (Matthew 15:24) which culminated in His death in Jerusalem, the capital of Judea.
Now, we are in a position to identify the true Gospel:
It is “the gospel of the kingdom of God” (mark 1:14) that “draws near” (verse 15). Jesus asks the listeners to “repent and believe in the gospel”.
What the Kingdom of God Is
Jesus is referring directly to Daniel’s prophecy revealed to Nebuchadnezzar in Daniel 2:44:
“During the reigns of those kings, the God of heaven will set up a kingdom that will never be destroyed, nor its sovereignty left in the hands of another people. It will shatter and crush all of these kingdoms, and it will stand forever”.
It is a spiritual kingdom because it is set up by “the God of heaven” “without human hands” (not of the world). Yet it will be a political kingdom (in the world) because “it will shatter and crush all of these (political) kingdoms” such as Babylon, Persian, Greek and Roman Empires.
Thus we have been able to identify the true Gospel as the good news of the Kingdom of God that is going to be set up in this world destroying the then political kingdoms by the God of heaven (that is, the Creator God) in future.
This is a World Government with its international capital in Jerusalem, “the city of the Great King” (Matt 5:35 - so we should not swear by it according to Jesus).
No Problem, As Long As…
The Jews were very much familiar with Daniel’s vision of the Kingdom of God (a politico-spiritual kingdom) that will free them from the clutches of the Roman Empire. The Jews believed in the “Son of Man” of Daniel as “the Messiah, the King” who will gather all the children of Israel under his Leadership into one nation above all the other nations as a strong nation.
The Jews interpreted “nor its sovereignty left in the hands of another people” in Daniel 2:44 to mean that the political kingdom of Israel will be the leading Super Power in the new World Order.
So, as long as Jesus or the apostles preached and taught about this kingdom of God under the leadership of the Messiah King (without identifying who the Messiah King is), the Jews in general and the Jewish authority in particular had no qualms about it.
This is exactly what Jesus did with His disciples. The disciples were preaching this gospel of the Kingdom of God, which will be led by the Messiah King, to the Jewish cities earlier. This was a safe business to do then.
Mountain of a Problem
An avalanche of problems ensued once Jesus or the disciples pinpointed the Messiah King to be Jesus the Nazarene.
Hell broke out that culminated in the Crucifixion of Jesus and the hiding of the disciples.
Jesus Knew This
God’s ways are always different from man’s ways (Isaiah 55:8; Luke 10:21).
So God obscured the background of Jesus from the Jewish world. They did not know that Jesus was in the lineage of King David (Matt 13:55). They thought He was just a son of an ordinary Jewish carpenter.
They thought Jesus was a Galilean (John 7:41) without knowing that Jesus was born in Bethlehem (verse 42).
Forget about the authority, even Jesus’ own disciple Nathanael, when heard about Jesus the Nazarene for the first time from Philip, exclaims: “"Out of Nazareth? Can anything good come from there?" (John 1:46)!
Jesus knew that with His obscure background of His family and the place of His residence, it was difficult to push forward the truth that He is the true Messiah.
As a true Leader and Shepherd Jesus knew full well that His disciples, without the “power from above” (Luke 24:49), would not be able to withstand the brunt of the full force of the Jewish authority’s fury when they would “witness of” Him as the Messiah King (Acts 1:8).
Remember the pathetic condition into which a boastful Peter fell when he denied Jesus three times. Look at the cowardly way in which all the disciples deserted and ran away when Jesus was captured.
Post-Pentecostal World
The situation had a 180 degree turn after the day of Pentecost when the disciples received the power, the Holy Spirit, just as Jesus promised.
The cowardly lot became so courageous that they withstood the Jewish high authority to the face:
“But Peter and John answered them, "You yourselves judge which is right in God's sight—to obey you or to obey God. For we cannot stop speaking of what we ourselves have seen and heard" (Acts 4:19-20).
Wow, such courage from Peter who denied Jesus three times just in front of a servant girl now speaking boldly to the entire Sanhedrin (the highest authority of the Jewish nation) that included the High Priest!!
The Real Problem
The Jewish authority had no problem as long as Jesus and the disciples taught about the gospel of the kingdom of God and the Messiah King without identifying the latter. After all, these were the standard Jewish teaching. But the problem happened when Jesus and His disciples started identifying who the Messiah King was.
This, the Jewish authority tried to suppress:
“but that it may spread no further toward the people, let us strictly threaten them to no longer speak in this Name to any man. And having called them, they charged them not to speak at all, nor to teach, in the Name of Jesus” (Acts 4:17).
“And bringing them, they stood in the Sanhedrin. And the high priest asked them, saying, Did we not command you by a command that you not teach in this name? And, behold, you have filled Jerusalem with your doctrine and intend to bring on us the blood of this man” (Acts 5:27-28).
“And to him (to Gamliel) they agreed, and having called near the apostles, having beaten them, they commanded them not to speak in the Name of Jesus, and let them go” (Acts 5:40).
Conclusion
Initially the Gospel had only one part: the kingdom of God under the Messiah King. (The second part – the identity of the Messiah King - was proclaimed only by Jesus, that too, to selected individuals or groups).
But, after the day of Pentecost, the Gospel was added with a second part: Jesus the Nazarene is the Messiah King proclaimed in the Scripture.
The disciples were commanded to proclaim this loudly to the public: “you will be witnesses of Me ……to the end of the earth (Acts 1:8). (This reminds us of Yahweh saying, “You are my witnesses – Isaiah 43:10; 44:8).
So the true Gospel has two parts: “the gospel, 1)the things concerning the kingdom of God, and 2) the name of Jesus Christ” (Acts 8:12).
This is what all the disciples taught throughout their life after Pentecost.
Even towards the end of his life, Apostle Paul, who declared “there is no other gospel”, still speaks the same Gospel:
“And having appointed him a day, more came to him in the lodging, to whom he expounded, earnestly testifying (1) the kingdom of God and persuading them (2) the things concerning Jesus” (Acts 28:23).
Again, “And Paul remained two whole years in his own rented place, and he welcomed all those coming in to him, (1) proclaiming the kingdom of God, and (2) teaching the things concerning the Lord Jesus Christ” (Acts 28:30-31).
Answer to the OP Question
Jesus and His disciples preached the gospel of the kingdom of God that will be led by a Messiah King as provided in Daniel and witnessed by other prophets of God. They did this without identifying the Messiah King. They didn’t encounter any problems as long as they kept this practice.
But the moment they revealed that Jesus of Nazareth is this Messiah King or the Christ King, things changed for the worst.
The more the Jewish authority tried to suppress the truth, the more the truth spread throughout the world.
No wonder, Jesus of Nazareth took the truth of an otherwise obscure Messiah King from an obscure set of Scriptures of an obscure small group of people who lived in an obscure corner of the world and catapulted them into the whole world.
And history was never the same ever after.