The nations will come together. See also Jeremiah 3:18.
Joseph offered food to his brothers to live from the famine. In the last days, Joseph will feed the other tribes spiritually.
See also
Ezekiel is shown the valley of dry bones—Israel will inherit the land in the Resurrection—The stick of Judah (the Bible) and the stick of Joseph (the Book of Mormon) will become one in the Lord’s hand—The children of Israel will be gathered and cleansed—David (the Messiah) will reign over them—They will receive the everlasting gospel covenant.