“I have been given all authority in heaven and on earth. Therefore, go and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit. Teach these new disciples to obey all the commands I have given you. And be sure of this: I am with you always, even to the end of the age.” Matthew 28:18-20 NLT

All heads of state, whether kings or queens, presidents, or prime ministers have authority over those in their jurisdiction. It is only in their local jurisdiction they have authority. No authority has been granted them outside their borders. There is not a ruler who has it all. No one earthly leader has complete authority over the entire world. But there is one, and only one who does have complete authority on earth, King Jesus.
Jesus’ own words to His disciples proved this when He said, “I have been given all authority in heaven and on earth.” (Mt.28:18 nlt) These are the words of a king. The Jews in Jesus’ day were looking for a king to defeat the Romans and rule in Israel. Jesus told Pilate yes, He was a king, but His kingdom is not of this world. The Jews would have been disappointed in hearing this. Jesus’ agenda was much bigger including all the nations (people groups) of the world and it is still future.
Jesus has been building His kingdom through His followers since He gave His disciples what we know today as the Great Commission. Every generation of believers from that first command are instructed in the same way, and that includes us. “Therefore, go and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit.” (Mt.28:19 nlt) These are the words of a king.