What did Peter expect would happen before he and the other apostles carried the knowledge of Jehovah to the ends of the earth?

Les explains that Peter did not know the program would be interrupted. Peter saw the tribulation, the return of Christ, and the setting up of the kingdom coming "right down the pipe," and then he and the other eleven could have taken the knowledge of their Jehovah to the ends of the earth. They were not to do that under the covenant until they had the king, so their not doing so was not remiss. Israel remained under the law in Acts, even seven years after Pentecost.