According to Russell M. Nelson, the Book of Mormon teaches that we or modern Israel are among the covenant people of the Lord (1 Nephi 14:14; 15:14; 2 Nephi 30:2; Mosiah 24:13; 3 Nephi 29:3; Mormon 8:15). And, most remarkably, it teaches that the Abrahamic covenant will be fulfilled only in these latter days (1 Nephi 15:12-18; 3 Nephi 20:25-31). In 1 Nephi 15:18 we find the following:
Wherefore, our father hath not spoken of our seed alone, but also of all the house of Israel, pointing to the covenant which should be fulfilled in the latter days; which covenant the Lord made to our father Abraham, saying: In thy seed shall all the kindreds of the earth be blessed.
The Lord bestowed this Abrahamic covenant upon the Prophet Joseph Smith for the blessing of him and posterity after him (see D&C 124:56-59). Did you know that Abraham is mentioned in more verses of modern revelation than in all the verses of the Old Testament? Abraham is mentioned in 506 verses of scripture, 289 of which are in modern revelation. [Russell M. Nelson, “Remnants Gathered, Covenants Fulfilled,” in Voices of Old Testament Prophets: The 26th Annual Sidney B. Sperry Symposium, p. 9, 18] [See Abraham 2:9-11]