The Birthright Lineage in the Book of Mormon

Hosea chapter 7 verse 8 says Ephraim has assimilated among the nations, King James translates as difficulty. Once you assimilate, even 10% of Jews assimilate into the Gentile nation; every generation are called Gentiles after a while. So we have the birthright lineage, and that comes very, very important and crucial in the end-time scenario that Isaiah and the Book of Mormon talk about.