HOW ARE HEBREWS FIRST YET GENTILES GRAFTED IN? CHOCOLATE REIGN

How can the Hebrews be first and the Gentiles be grafted in? Why isn't the​ "First will be last and the last will be first" good enough anymore? Will the Gentiles be grafted in? When will the Hebrews Reign over the Gentiles if the Gentiles are grafted in? The Gentiles were cut off at the time of the fall of Babel, only Abraham and his offspring would know Yah. Yet even the Hebrews were cut off!!! Yet the promise is that the Gentiles would be their portion as Kings of the earth and priests unto the nations. So how are the Gentiles Grafted in while the Hebrews are first?